123917680

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1873}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 288610992

約数和(自身を除く): 164693312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 1873, 3308, 3746, 4135, 6616, 7492, 8270, 9365, 13232, 14984, 16540, 18730, 29968, 33080, 37460, 66160, 74920, 149840, 1548971, 3097942, 6195884, 7744855, 12391768, 15489710, 24783536, 30979420, 61958840, 123917680]

約数ペア:

[(1, 123917680), (2, 61958840), (4, 30979420), (5, 24783536), (8, 15489710), (10, 12391768), (16, 7744855), (20, 6195884), (40, 3097942), (80, 1548971), (827, 149840), (1654, 74920), (1873, 66160), (3308, 37460), (3746, 33080), (4135, 29968), (6616, 18730), (7492, 16540), (8270, 14984), (9365, 13232)]