27661960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5279}}^1$

素因数の和:5421

約数の個数: 32

約数和(自身を含む): 62726400

約数和(自身を除く): 35064440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5279, 10558, 21116, 26395, 42232, 52790, 105580, 211160, 691549, 1383098, 2766196, 3457745, 5532392, 6915490, 13830980, 27661960]

約数ペア:

[(1, 27661960), (2, 13830980), (4, 6915490), (5, 5532392), (8, 3457745), (10, 2766196), (20, 1383098), (40, 691549), (131, 211160), (262, 105580), (524, 52790), (655, 42232), (1048, 26395), (1310, 21116), (2620, 10558), (5240, 5279)]