64362580

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9221}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 135563400

約数和(自身を除く): 71200820

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 9221, 18442, 36884, 46105, 92210, 184420, 3218129, 6436258, 12872516, 16090645, 32181290, 64362580]

約数ペア:

[(1, 64362580), (2, 32181290), (4, 16090645), (5, 12872516), (10, 6436258), (20, 3218129), (349, 184420), (698, 92210), (1396, 46105), (1745, 36884), (3490, 18442), (6980, 9221)]