76986920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7489}}^1$

素因数の和:7757

約数の個数: 32

約数和(自身を含む): 173917800

約数和(自身を除く): 96930880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 7489, 10280, 14978, 29956, 37445, 59912, 74890, 149780, 299560, 1924673, 3849346, 7698692, 9623365, 15397384, 19246730, 38493460, 76986920]

約数ペア:

[(1, 76986920), (2, 38493460), (4, 19246730), (5, 15397384), (8, 9623365), (10, 7698692), (20, 3849346), (40, 1924673), (257, 299560), (514, 149780), (1028, 74890), (1285, 59912), (2056, 37445), (2570, 29956), (5140, 14978), (7489, 10280)]