40050640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 114883272

約数和(自身を除く): 74832632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 601, 680, 784, 833, 952, 980, 1190, 1202, 1360, 1666, 1904, 1960, 2380, 2404, 3005, 3332, 3920, 4165, 4207, 4760, 4808, 6010, 6664, 8330, 8414, 9520, 9616, 10217, 12020, 13328, 16660, 16828, 20434, 21035, 24040, 29449, 33320, 33656, 40868, 42070, 48080, 51085, 58898, 66640, 67312, 71519, 81736, 84140, 102170, 117796, 143038, 147245, 163472, 168280, 204340, 235592, 286076, 294490, 336560, 357595, 408680, 471184, 500633, 572152, 588980, 715190, 817360, 1001266, 1144304, 1177960, 1430380, 2002532, 2355920, 2503165, 2860760, 4005064, 5006330, 5721520, 8010128, 10012660, 20025320, 40050640]

約数ペア:

[(1, 40050640), (2, 20025320), (4, 10012660), (5, 8010128), (7, 5721520), (8, 5006330), (10, 4005064), (14, 2860760), (16, 2503165), (17, 2355920), (20, 2002532), (28, 1430380), (34, 1177960), (35, 1144304), (40, 1001266), (49, 817360), (56, 715190), (68, 588980), (70, 572152), (80, 500633), (85, 471184), (98, 408680), (112, 357595), (119, 336560), (136, 294490), (140, 286076), (170, 235592), (196, 204340), (238, 168280), (245, 163472), (272, 147245), (280, 143038), (340, 117796), (392, 102170), (476, 84140), (490, 81736), (560, 71519), (595, 67312), (601, 66640), (680, 58898), (784, 51085), (833, 48080), (952, 42070), (980, 40868), (1190, 33656), (1202, 33320), (1360, 29449), (1666, 24040), (1904, 21035), (1960, 20434), (2380, 16828), (2404, 16660), (3005, 13328), (3332, 12020), (3920, 10217), (4165, 9616), (4207, 9520), (4760, 8414), (4808, 8330), (6010, 6664)]