91964920

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{7489}}^1$

素因数の和:7807

約数の個数: 32

約数和(自身を含む): 207622800

約数和(自身を除く): 115657880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 7489, 12280, 14978, 29956, 37445, 59912, 74890, 149780, 299560, 2299123, 4598246, 9196492, 11495615, 18392984, 22991230, 45982460, 91964920]

約数ペア:

[(1, 91964920), (2, 45982460), (4, 22991230), (5, 18392984), (8, 11495615), (10, 9196492), (20, 4598246), (40, 2299123), (307, 299560), (614, 149780), (1228, 74890), (1535, 59912), (2456, 37445), (3070, 29956), (6140, 14978), (7489, 12280)]