2080640

素因数分解:

$2^7\times 5^1\times {\mathrm{3251}}^1$

素因数の和:3270

約数の個数: 32

約数和(自身を含む): 4975560

約数和(自身を除く): 2894920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3251, 6502, 13004, 16255, 26008, 32510, 52016, 65020, 104032, 130040, 208064, 260080, 416128, 520160, 1040320, 2080640]

約数ペア:

[(1, 2080640), (2, 1040320), (4, 520160), (5, 416128), (8, 260080), (10, 208064), (16, 130040), (20, 104032), (32, 65020), (40, 52016), (64, 32510), (80, 26008), (128, 16255), (160, 13004), (320, 6502), (640, 3251)]