12672400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 60

約数和(自身を含む): 32800852

約数和(自身を除く): 20128452

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2437, 2600, 4874, 5200, 9748, 12185, 19496, 24370, 31681, 38992, 48740, 60925, 63362, 97480, 121850, 126724, 158405, 194960, 243700, 253448, 316810, 487400, 506896, 633620, 792025, 974800, 1267240, 1584050, 2534480, 3168100, 6336200, 12672400]

約数ペア:

[(1, 12672400), (2, 6336200), (4, 3168100), (5, 2534480), (8, 1584050), (10, 1267240), (13, 974800), (16, 792025), (20, 633620), (25, 506896), (26, 487400), (40, 316810), (50, 253448), (52, 243700), (65, 194960), (80, 158405), (100, 126724), (104, 121850), (130, 97480), (200, 63362), (208, 60925), (260, 48740), (325, 38992), (400, 31681), (520, 24370), (650, 19496), (1040, 12185), (1300, 9748), (2437, 5200), (2600, 4874)]