66403420

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{4421}}^1$

素因数の和:5181

約数の個数: 24

約数和(自身を含む): 139664448

約数和(自身を除く): 73261028

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 4421, 7510, 8842, 15020, 17684, 22105, 44210, 88420, 3320171, 6640342, 13280684, 16600855, 33201710, 66403420]

約数ペア:

[(1, 66403420), (2, 33201710), (4, 16600855), (5, 13280684), (10, 6640342), (20, 3320171), (751, 88420), (1502, 44210), (3004, 22105), (3755, 17684), (4421, 15020), (7510, 8842)]