5459920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 12811680

約数和(自身を除く): 7351760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 491, 556, 695, 982, 1112, 1390, 1964, 2224, 2455, 2780, 3928, 4910, 5560, 7856, 9820, 11120, 19640, 39280, 68249, 136498, 272996, 341245, 545992, 682490, 1091984, 1364980, 2729960, 5459920]

約数ペア:

[(1, 5459920), (2, 2729960), (4, 1364980), (5, 1091984), (8, 682490), (10, 545992), (16, 341245), (20, 272996), (40, 136498), (80, 68249), (139, 39280), (278, 19640), (491, 11120), (556, 9820), (695, 7856), (982, 5560), (1112, 4910), (1390, 3928), (1964, 2780), (2224, 2455)]