8112640

素因数分解:

$2^9\times 5^1\times {\mathrm{3169}}^1$

素因数の和:3192

約数の個数: 40

約数和(自身を含む): 19457460

約数和(自身を除く): 11344820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3169, 6338, 12676, 15845, 25352, 31690, 50704, 63380, 101408, 126760, 202816, 253520, 405632, 507040, 811264, 1014080, 1622528, 2028160, 4056320, 8112640]

約数ペア:

[(1, 8112640), (2, 4056320), (4, 2028160), (5, 1622528), (8, 1014080), (10, 811264), (16, 507040), (20, 405632), (32, 253520), (40, 202816), (64, 126760), (80, 101408), (128, 63380), (160, 50704), (256, 31690), (320, 25352), (512, 15845), (640, 12676), (1280, 6338), (2560, 3169)]