10772867960

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{639719}}^1$

素因数の和:640151

約数の個数: 32

約数和(自身を含む): 24296565600

約数和(自身を除く): 13523697640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 639719, 1279438, 2558876, 3198595, 5117752, 6397190, 12794380, 25588760, 269321699, 538643398, 1077286796, 1346608495, 2154573592, 2693216990, 5386433980, 10772867960]

約数ペア:

[(1, 10772867960), (2, 5386433980), (4, 2693216990), (5, 2154573592), (8, 1346608495), (10, 1077286796), (20, 538643398), (40, 269321699), (421, 25588760), (842, 12794380), (1684, 6397190), (2105, 5117752), (3368, 3198595), (4210, 2558876), (8420, 1279438), (16840, 639719)]