90365680

素因数分解:

$2^4\times 5^1\times {\mathrm{1129571}}^1$

素因数の和:1129584

約数の個数: 20

約数和(自身を含む): 210100392

約数和(自身を除く): 119734712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1129571, 2259142, 4518284, 5647855, 9036568, 11295710, 18073136, 22591420, 45182840, 90365680]

約数ペア:

[(1, 90365680), (2, 45182840), (4, 22591420), (5, 18073136), (8, 11295710), (10, 9036568), (16, 5647855), (20, 4518284), (40, 2259142), (80, 1129571)]