25215400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 46030040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 83, 98, 100, 124, 140, 155, 166, 175, 196, 200, 217, 245, 248, 280, 310, 332, 350, 392, 415, 434, 490, 581, 620, 664, 700, 775, 830, 868, 980, 1085, 1162, 1225, 1240, 1400, 1519, 1550, 1660, 1736, 1960, 2075, 2170, 2324, 2450, 2573, 2905, 3038, 3100, 3320, 4067, 4150, 4340, 4648, 4900, 5146, 5425, 5810, 6076, 6200, 7595, 8134, 8300, 8680, 9800, 10292, 10850, 11620, 12152, 12865, 14525, 15190, 16268, 16600, 18011, 20335, 20584, 21700, 23240, 25730, 29050, 30380, 32536, 36022, 37975, 40670, 43400, 51460, 58100, 60760, 64325, 72044, 75950, 81340, 90055, 101675, 102920, 116200, 126077, 128650, 144088, 151900, 162680, 180110, 203350, 252154, 257300, 303800, 360220, 406700, 450275, 504308, 514600, 630385, 720440, 813400, 900550, 1008616, 1260770, 1801100, 2521540, 3151925, 3602200, 5043080, 6303850, 12607700, 25215400]

約数ペア:

[(1, 25215400), (2, 12607700), (4, 6303850), (5, 5043080), (7, 3602200), (8, 3151925), (10, 2521540), (14, 1801100), (20, 1260770), (25, 1008616), (28, 900550), (31, 813400), (35, 720440), (40, 630385), (49, 514600), (50, 504308), (56, 450275), (62, 406700), (70, 360220), (83, 303800), (98, 257300), (100, 252154), (124, 203350), (140, 180110), (155, 162680), (166, 151900), (175, 144088), (196, 128650), (200, 126077), (217, 116200), (245, 102920), (248, 101675), (280, 90055), (310, 81340), (332, 75950), (350, 72044), (392, 64325), (415, 60760), (434, 58100), (490, 51460), (581, 43400), (620, 40670), (664, 37975), (700, 36022), (775, 32536), (830, 30380), (868, 29050), (980, 25730), (1085, 23240), (1162, 21700), (1225, 20584), (1240, 20335), (1400, 18011), (1519, 16600), (1550, 16268), (1660, 15190), (1736, 14525), (1960, 12865), (2075, 12152), (2170, 11620), (2324, 10850), (2450, 10292), (2573, 9800), (2905, 8680), (3038, 8300), (3100, 8134), (3320, 7595), (4067, 6200), (4150, 6076), (4340, 5810), (4648, 5425), (4900, 5146)]