90759980

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{10529}}^1$

素因数の和:10969

約数の個数: 24

約数和(自身を含む): 191056320

約数和(自身を除く): 100296340

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 10529, 21058, 42116, 52645, 105290, 210580, 4537999, 9075998, 18151996, 22689995, 45379990, 90759980]

約数ペア:

[(1, 90759980), (2, 45379990), (4, 22689995), (5, 18151996), (10, 9075998), (20, 4537999), (431, 210580), (862, 105290), (1724, 52645), (2155, 42116), (4310, 21058), (8620, 10529)]