80857400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 204830640

約数和(自身を除く): 123973240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 137, 200, 227, 260, 274, 325, 454, 520, 548, 650, 685, 908, 1096, 1135, 1300, 1370, 1781, 1816, 2270, 2600, 2740, 2951, 3425, 3562, 4540, 5480, 5675, 5902, 6850, 7124, 8905, 9080, 11350, 11804, 13700, 14248, 14755, 17810, 22700, 23608, 27400, 29510, 31099, 35620, 44525, 45400, 59020, 62198, 71240, 73775, 89050, 118040, 124396, 147550, 155495, 178100, 248792, 295100, 310990, 356200, 404287, 590200, 621980, 777475, 808574, 1243960, 1554950, 1617148, 2021435, 3109900, 3234296, 4042870, 6219800, 8085740, 10107175, 16171480, 20214350, 40428700, 80857400]

約数ペア:

[(1, 80857400), (2, 40428700), (4, 20214350), (5, 16171480), (8, 10107175), (10, 8085740), (13, 6219800), (20, 4042870), (25, 3234296), (26, 3109900), (40, 2021435), (50, 1617148), (52, 1554950), (65, 1243960), (100, 808574), (104, 777475), (130, 621980), (137, 590200), (200, 404287), (227, 356200), (260, 310990), (274, 295100), (325, 248792), (454, 178100), (520, 155495), (548, 147550), (650, 124396), (685, 118040), (908, 89050), (1096, 73775), (1135, 71240), (1300, 62198), (1370, 59020), (1781, 45400), (1816, 44525), (2270, 35620), (2600, 31099), (2740, 29510), (2951, 27400), (3425, 23608), (3562, 22700), (4540, 17810), (5480, 14755), (5675, 14248), (5902, 13700), (6850, 11804), (7124, 11350), (8905, 9080)]