164863420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{116101}}^1$

素因数の和:116181

約数の個数: 24

約数和(自身を含む): 351092448

約数和(自身を除く): 186229028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 116101, 232202, 464404, 580505, 1161010, 2322020, 8243171, 16486342, 32972684, 41215855, 82431710, 164863420]

約数ペア:

[(1, 164863420), (2, 82431710), (4, 41215855), (5, 32972684), (10, 16486342), (20, 8243171), (71, 2322020), (142, 1161010), (284, 580505), (355, 464404), (710, 232202), (1420, 116101)]