90209090

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{55343}}^1$

素因数の和:55513

約数の個数: 16

約数和(自身を含む): 163375488

約数和(自身を除く): 73166398

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 55343, 110686, 276715, 553430, 9020909, 18041818, 45104545, 90209090]

約数ペア:

[(1, 90209090), (2, 45104545), (5, 18041818), (10, 9020909), (163, 553430), (326, 276715), (815, 110686), (1630, 55343)]