268420100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{206477}}^1$

素因数の和:206504

約数の個数: 36

約数和(自身を含む): 627280164

約数和(自身を除く): 358860064

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 206477, 412954, 825908, 1032385, 2064770, 2684201, 4129540, 5161925, 5368402, 10323850, 10736804, 13421005, 20647700, 26842010, 53684020, 67105025, 134210050, 268420100]

約数ペア:

[(1, 268420100), (2, 134210050), (4, 67105025), (5, 53684020), (10, 26842010), (13, 20647700), (20, 13421005), (25, 10736804), (26, 10323850), (50, 5368402), (52, 5161925), (65, 4129540), (100, 2684201), (130, 2064770), (260, 1032385), (325, 825908), (650, 412954), (1300, 206477)]