5243156920

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{80863}}^1$

素因数の和:82495

約数の個数: 32

約数和(自身を含む): 11804526720

約数和(自身を除く): 6561369800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 64840, 80863, 161726, 323452, 404315, 646904, 808630, 1617260, 3234520, 131078923, 262157846, 524315692, 655394615, 1048631384, 1310789230, 2621578460, 5243156920]

約数ペア:

[(1, 5243156920), (2, 2621578460), (4, 1310789230), (5, 1048631384), (8, 655394615), (10, 524315692), (20, 262157846), (40, 131078923), (1621, 3234520), (3242, 1617260), (6484, 808630), (8105, 646904), (12968, 404315), (16210, 323452), (32420, 161726), (64840, 80863)]