79836080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 200880000

約数和(自身を除く): 121043920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1249, 1360, 1598, 1880, 2498, 3196, 3760, 3995, 4996, 6245, 6392, 7990, 9992, 12490, 12784, 15980, 19984, 21233, 24980, 31960, 42466, 49960, 58703, 63920, 84932, 99920, 106165, 117406, 169864, 212330, 234812, 293515, 339728, 424660, 469624, 587030, 849320, 939248, 997951, 1174060, 1698640, 1995902, 2348120, 3991804, 4696240, 4989755, 7983608, 9979510, 15967216, 19959020, 39918040, 79836080]

約数ペア:

[(1, 79836080), (2, 39918040), (4, 19959020), (5, 15967216), (8, 9979510), (10, 7983608), (16, 4989755), (17, 4696240), (20, 3991804), (34, 2348120), (40, 1995902), (47, 1698640), (68, 1174060), (80, 997951), (85, 939248), (94, 849320), (136, 587030), (170, 469624), (188, 424660), (235, 339728), (272, 293515), (340, 234812), (376, 212330), (470, 169864), (680, 117406), (752, 106165), (799, 99920), (940, 84932), (1249, 63920), (1360, 58703), (1598, 49960), (1880, 42466), (2498, 31960), (3196, 24980), (3760, 21233), (3995, 19984), (4996, 15980), (6245, 12784), (6392, 12490), (7990, 9992)]