1640280050

素因数分解:

$2^1\times 5^2\times {\mathrm{1291}}^1\times {\mathrm{25411}}^1$

素因数の和:26714

約数の個数: 24

約数和(自身を含む): 3053404272

約数和(自身を除く): 1413124222

約数列:

[1, 2, 5, 10, 25, 50, 1291, 2582, 6455, 12910, 25411, 32275, 50822, 64550, 127055, 254110, 635275, 1270550, 32805601, 65611202, 164028005, 328056010, 820140025, 1640280050]

約数ペア:

[(1, 1640280050), (2, 820140025), (5, 328056010), (10, 164028005), (25, 65611202), (50, 32805601), (1291, 1270550), (2582, 635275), (6455, 254110), (12910, 127055), (25411, 64550), (32275, 50822)]