157436819920

素因数分解:

$2^4\times 5^1\times {\mathrm{5639}}^1\times {\mathrm{348991}}^1$

素因数の和:354643

約数の個数: 40

約数和(自身を含む): 366106567680

約数和(自身を除く): 208669747760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5639, 11278, 22556, 28195, 45112, 56390, 90224, 112780, 225560, 348991, 451120, 697982, 1395964, 1744955, 2791928, 3489910, 5583856, 6979820, 13959640, 27919280, 1967960249, 3935920498, 7871840996, 9839801245, 15743681992, 19679602490, 31487363984, 39359204980, 78718409960, 157436819920]

約数ペア:

[(1, 157436819920), (2, 78718409960), (4, 39359204980), (5, 31487363984), (8, 19679602490), (10, 15743681992), (16, 9839801245), (20, 7871840996), (40, 3935920498), (80, 1967960249), (5639, 27919280), (11278, 13959640), (22556, 6979820), (28195, 5583856), (45112, 3489910), (56390, 2791928), (90224, 1744955), (112780, 1395964), (225560, 697982), (348991, 451120)]