31779680

素因数分解:

$2^5\times 5^1\times {\mathrm{198623}}^1$

素因数の和:198638

約数の個数: 24

約数和(自身を含む): 75079872

約数和(自身を除く): 43300192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 198623, 397246, 794492, 993115, 1588984, 1986230, 3177968, 3972460, 6355936, 7944920, 15889840, 31779680]

約数ペア:

[(1, 31779680), (2, 15889840), (4, 7944920), (5, 6355936), (8, 3972460), (10, 3177968), (16, 1986230), (20, 1588984), (32, 993115), (40, 794492), (80, 397246), (160, 198623)]