9969453640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3510371}}^1$

素因数の和:3510453

約数の個数: 32

約数和(自身を含む): 22747210560

約数和(自身を除く): 12777756920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3510371, 7020742, 14041484, 17551855, 28082968, 35103710, 70207420, 140414840, 249236341, 498472682, 996945364, 1246181705, 1993890728, 2492363410, 4984726820, 9969453640]

約数ペア:

[(1, 9969453640), (2, 4984726820), (4, 2492363410), (5, 1993890728), (8, 1246181705), (10, 996945364), (20, 498472682), (40, 249236341), (71, 140414840), (142, 70207420), (284, 35103710), (355, 28082968), (568, 17551855), (710, 14041484), (1420, 7020742), (2840, 3510371)]