157021880

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{25997}}^1$

素因数の和:26159

約数の個数: 32

約数和(自身を含む): 355652640

約数和(自身を除く): 198630760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 25997, 51994, 103988, 129985, 207976, 259970, 519940, 1039880, 3925547, 7851094, 15702188, 19627735, 31404376, 39255470, 78510940, 157021880]

約数ペア:

[(1, 157021880), (2, 78510940), (4, 39255470), (5, 31404376), (8, 19627735), (10, 15702188), (20, 7851094), (40, 3925547), (151, 1039880), (302, 519940), (604, 259970), (755, 207976), (1208, 129985), (1510, 103988), (3020, 51994), (6040, 25997)]