40344640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 168

約数和(自身を含む): 116750592

約数和(自身を除く): 76405952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 83, 98, 112, 124, 140, 155, 160, 166, 196, 217, 224, 245, 248, 280, 310, 320, 332, 392, 415, 434, 448, 490, 496, 560, 581, 620, 664, 784, 830, 868, 980, 992, 1085, 1120, 1162, 1240, 1328, 1519, 1568, 1660, 1736, 1960, 1984, 2170, 2240, 2324, 2480, 2573, 2656, 2905, 3038, 3136, 3320, 3472, 3920, 4067, 4340, 4648, 4960, 5146, 5312, 5810, 6076, 6640, 6944, 7595, 7840, 8134, 8680, 9296, 9920, 10292, 11620, 12152, 12865, 13280, 13888, 15190, 15680, 16268, 17360, 18011, 18592, 20335, 20584, 23240, 24304, 25730, 26560, 30380, 32536, 34720, 36022, 37184, 40670, 41168, 46480, 48608, 51460, 60760, 65072, 69440, 72044, 81340, 82336, 90055, 92960, 97216, 102920, 121520, 126077, 130144, 144088, 162680, 164672, 180110, 185920, 205840, 243040, 252154, 260288, 288176, 325360, 360220, 411680, 486080, 504308, 576352, 630385, 650720, 720440, 823360, 1008616, 1152704, 1260770, 1301440, 1440880, 2017232, 2521540, 2881760, 4034464, 5043080, 5763520, 8068928, 10086160, 20172320, 40344640]

約数ペア:

[(1, 40344640), (2, 20172320), (4, 10086160), (5, 8068928), (7, 5763520), (8, 5043080), (10, 4034464), (14, 2881760), (16, 2521540), (20, 2017232), (28, 1440880), (31, 1301440), (32, 1260770), (35, 1152704), (40, 1008616), (49, 823360), (56, 720440), (62, 650720), (64, 630385), (70, 576352), (80, 504308), (83, 486080), (98, 411680), (112, 360220), (124, 325360), (140, 288176), (155, 260288), (160, 252154), (166, 243040), (196, 205840), (217, 185920), (224, 180110), (245, 164672), (248, 162680), (280, 144088), (310, 130144), (320, 126077), (332, 121520), (392, 102920), (415, 97216), (434, 92960), (448, 90055), (490, 82336), (496, 81340), (560, 72044), (581, 69440), (620, 65072), (664, 60760), (784, 51460), (830, 48608), (868, 46480), (980, 41168), (992, 40670), (1085, 37184), (1120, 36022), (1162, 34720), (1240, 32536), (1328, 30380), (1519, 26560), (1568, 25730), (1660, 24304), (1736, 23240), (1960, 20584), (1984, 20335), (2170, 18592), (2240, 18011), (2324, 17360), (2480, 16268), (2573, 15680), (2656, 15190), (2905, 13888), (3038, 13280), (3136, 12865), (3320, 12152), (3472, 11620), (3920, 10292), (4067, 9920), (4340, 9296), (4648, 8680), (4960, 8134), (5146, 7840), (5312, 7595), (5810, 6944), (6076, 6640)]