154960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 390600

約数和(自身を除く): 235640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 520, 596, 745, 1040, 1192, 1490, 1937, 2384, 2980, 3874, 5960, 7748, 9685, 11920, 15496, 19370, 30992, 38740, 77480, 154960]

約数ペア:

[(1, 154960), (2, 77480), (4, 38740), (5, 30992), (8, 19370), (10, 15496), (13, 11920), (16, 9685), (20, 7748), (26, 5960), (40, 3874), (52, 2980), (65, 2384), (80, 1937), (104, 1490), (130, 1192), (149, 1040), (208, 745), (260, 596), (298, 520)]