252365240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{88861}}^1$

素因数の和:88943

約数の個数: 32

約数和(自身を含む): 575825760

約数和(自身を除く): 323460520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 88861, 177722, 355444, 444305, 710888, 888610, 1777220, 3554440, 6309131, 12618262, 25236524, 31545655, 50473048, 63091310, 126182620, 252365240]

約数ペア:

[(1, 252365240), (2, 126182620), (4, 63091310), (5, 50473048), (8, 31545655), (10, 25236524), (20, 12618262), (40, 6309131), (71, 3554440), (142, 1777220), (284, 888610), (355, 710888), (568, 444305), (710, 355444), (1420, 177722), (2840, 88861)]