79265680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 120721520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 383, 398, 520, 766, 796, 995, 1040, 1532, 1592, 1915, 1990, 2587, 3064, 3184, 3830, 3980, 4979, 5174, 6128, 7660, 7960, 9958, 10348, 12935, 15320, 15920, 19916, 20696, 24895, 25870, 30640, 39832, 41392, 49790, 51740, 76217, 79664, 99580, 103480, 152434, 199160, 206960, 304868, 381085, 398320, 609736, 762170, 990821, 1219472, 1524340, 1981642, 3048680, 3963284, 4954105, 6097360, 7926568, 9908210, 15853136, 19816420, 39632840, 79265680]

約数ペア:

[(1, 79265680), (2, 39632840), (4, 19816420), (5, 15853136), (8, 9908210), (10, 7926568), (13, 6097360), (16, 4954105), (20, 3963284), (26, 3048680), (40, 1981642), (52, 1524340), (65, 1219472), (80, 990821), (104, 762170), (130, 609736), (199, 398320), (208, 381085), (260, 304868), (383, 206960), (398, 199160), (520, 152434), (766, 103480), (796, 99580), (995, 79664), (1040, 76217), (1532, 51740), (1592, 49790), (1915, 41392), (1990, 39832), (2587, 30640), (3064, 25870), (3184, 24895), (3830, 20696), (3980, 19916), (4979, 15920), (5174, 15320), (6128, 12935), (7660, 10348), (7960, 9958)]