40399580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155383}}^1$

素因数の和:155405

約数の個数: 24

約数和(自身を含む): 91365792

約数和(自身を除く): 50966212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155383, 310766, 621532, 776915, 1553830, 2019979, 3107660, 4039958, 8079916, 10099895, 20199790, 40399580]

約数ペア:

[(1, 40399580), (2, 20199790), (4, 10099895), (5, 8079916), (10, 4039958), (13, 3107660), (20, 2019979), (26, 1553830), (52, 776915), (65, 621532), (130, 310766), (260, 155383)]