64981120

素因数分解:

$2^7\times 5^1\times {\mathrm{101533}}^1$

素因数の和:101552

約数の個数: 32

約数和(自身を含む): 155347020

約数和(自身を除く): 90365900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101533, 203066, 406132, 507665, 812264, 1015330, 1624528, 2030660, 3249056, 4061320, 6498112, 8122640, 12996224, 16245280, 32490560, 64981120]

約数ペア:

[(1, 64981120), (2, 32490560), (4, 16245280), (5, 12996224), (8, 8122640), (10, 6498112), (16, 4061320), (20, 3249056), (32, 2030660), (40, 1624528), (64, 1015330), (80, 812264), (128, 507665), (160, 406132), (320, 203066), (640, 101533)]