98841640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 232704000

約数和(自身を除く): 133862360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1009, 1240, 1580, 2018, 2449, 3160, 4036, 4898, 5045, 8072, 9796, 10090, 12245, 19592, 20180, 24490, 31279, 40360, 48980, 62558, 79711, 97960, 125116, 156395, 159422, 250232, 312790, 318844, 398555, 625580, 637688, 797110, 1251160, 1594220, 2471041, 3188440, 4942082, 9884164, 12355205, 19768328, 24710410, 49420820, 98841640]

約数ペア:

[(1, 98841640), (2, 49420820), (4, 24710410), (5, 19768328), (8, 12355205), (10, 9884164), (20, 4942082), (31, 3188440), (40, 2471041), (62, 1594220), (79, 1251160), (124, 797110), (155, 637688), (158, 625580), (248, 398555), (310, 318844), (316, 312790), (395, 250232), (620, 159422), (632, 156395), (790, 125116), (1009, 97960), (1240, 79711), (1580, 62558), (2018, 48980), (2449, 40360), (3160, 31279), (4036, 24490), (4898, 20180), (5045, 19592), (8072, 12245), (9796, 10090)]