23205640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8171}}^1$

素因数の和:8253

約数の個数: 32

約数和(自身を含む): 52954560

約数和(自身を除く): 29748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8171, 16342, 32684, 40855, 65368, 81710, 163420, 326840, 580141, 1160282, 2320564, 2900705, 4641128, 5801410, 11602820, 23205640]

約数ペア:

[(1, 23205640), (2, 11602820), (4, 5801410), (5, 4641128), (8, 2900705), (10, 2320564), (20, 1160282), (40, 580141), (71, 326840), (142, 163420), (284, 81710), (355, 65368), (568, 40855), (710, 32684), (1420, 16342), (2840, 8171)]