10919840

素因数分解:

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

素因数の和:645

約数の個数: 48

約数和(自身を含む): 26036640

約数和(自身を除く): 15116800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 491, 556, 695, 982, 1112, 1390, 1964, 2224, 2455, 2780, 3928, 4448, 4910, 5560, 7856, 9820, 11120, 15712, 19640, 22240, 39280, 68249, 78560, 136498, 272996, 341245, 545992, 682490, 1091984, 1364980, 2183968, 2729960, 5459920, 10919840]

約数ペア:

[(1, 10919840), (2, 5459920), (4, 2729960), (5, 2183968), (8, 1364980), (10, 1091984), (16, 682490), (20, 545992), (32, 341245), (40, 272996), (80, 136498), (139, 78560), (160, 68249), (278, 39280), (491, 22240), (556, 19640), (695, 15712), (982, 11120), (1112, 9820), (1390, 7856), (1964, 5560), (2224, 4910), (2455, 4448), (2780, 3928)]