61669040

素因数分解:

$2^4\times 5^1\times {\mathrm{770863}}^1$

素因数の和:770876

約数の個数: 20

約数和(自身を含む): 143380704

約数和(自身を除く): 81711664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 770863, 1541726, 3083452, 3854315, 6166904, 7708630, 12333808, 15417260, 30834520, 61669040]

約数ペア:

[(1, 61669040), (2, 30834520), (4, 15417260), (5, 12333808), (8, 7708630), (10, 6166904), (16, 3854315), (20, 3083452), (40, 1541726), (80, 770863)]