66987700

素因数分解:

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

素因数の和:481

約数の個数: 54

約数和(自身を含む): 157237766

約数和(自身を除く): 90250066

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 227, 260, 325, 454, 650, 908, 1135, 1300, 2270, 2951, 4540, 5675, 5902, 11350, 11804, 14755, 22700, 29510, 51529, 59020, 73775, 103058, 147550, 206116, 257645, 295100, 515290, 669877, 1030580, 1288225, 1339754, 2576450, 2679508, 3349385, 5152900, 6698770, 13397540, 16746925, 33493850, 66987700]

約数ペア:

[(1, 66987700), (2, 33493850), (4, 16746925), (5, 13397540), (10, 6698770), (13, 5152900), (20, 3349385), (25, 2679508), (26, 2576450), (50, 1339754), (52, 1288225), (65, 1030580), (100, 669877), (130, 515290), (227, 295100), (260, 257645), (325, 206116), (454, 147550), (650, 103058), (908, 73775), (1135, 59020), (1300, 51529), (2270, 29510), (2951, 22700), (4540, 14755), (5675, 11804), (5902, 11350)]