157992880

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4691}}^1$

素因数の和:5125

約数の個数: 40

約数和(自身を含む): 368284464

約数和(自身を除く): 210291584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4691, 6736, 8420, 9382, 16840, 18764, 23455, 33680, 37528, 46910, 75056, 93820, 187640, 375280, 1974911, 3949822, 7899644, 9874555, 15799288, 19749110, 31598576, 39498220, 78996440, 157992880]

約数ペア:

[(1, 157992880), (2, 78996440), (4, 39498220), (5, 31598576), (8, 19749110), (10, 15799288), (16, 9874555), (20, 7899644), (40, 3949822), (80, 1974911), (421, 375280), (842, 187640), (1684, 93820), (2105, 75056), (3368, 46910), (4210, 37528), (4691, 33680), (6736, 23455), (8420, 18764), (9382, 16840)]