64062100

素因数分解:

$2^2\times 5^2\times {\mathrm{640621}}^1$

素因数の和:640635

約数の個数: 18

約数和(自身を含む): 139014974

約数和(自身を除く): 74952874

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 640621, 1281242, 2562484, 3203105, 6406210, 12812420, 16015525, 32031050, 64062100]

約数ペア:

[(1, 64062100), (2, 32031050), (4, 16015525), (5, 12812420), (10, 6406210), (20, 3203105), (25, 2562484), (50, 1281242), (100, 640621)]