65944420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22129}}^1$

素因数の和:22287

約数の個数: 24

約数和(自身を含む): 139419000

約数和(自身を除く): 73474580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22129, 44258, 88516, 110645, 221290, 442580, 3297221, 6594442, 13188884, 16486105, 32972210, 65944420]

約数ペア:

[(1, 65944420), (2, 32972210), (4, 16486105), (5, 13188884), (10, 6594442), (20, 3297221), (149, 442580), (298, 221290), (596, 110645), (745, 88516), (1490, 44258), (2980, 22129)]