221548160

素因数分解:

$2^7\times 5^1\times {\mathrm{346169}}^1$

素因数の和:346188

約数の個数: 32

約数和(自身を含む): 529640100

約数和(自身を除く): 308091940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 346169, 692338, 1384676, 1730845, 2769352, 3461690, 5538704, 6923380, 11077408, 13846760, 22154816, 27693520, 44309632, 55387040, 110774080, 221548160]

約数ペア:

[(1, 221548160), (2, 110774080), (4, 55387040), (5, 44309632), (8, 27693520), (10, 22154816), (16, 13846760), (20, 11077408), (32, 6923380), (40, 5538704), (64, 3461690), (80, 2769352), (128, 1730845), (160, 1384676), (320, 692338), (640, 346169)]