90387040

素因数分解:

$2^5\times 5^1\times {\mathrm{564919}}^1$

素因数の和:564934

約数の個数: 24

約数和(自身を含む): 213539760

約数和(自身を除く): 123152720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 564919, 1129838, 2259676, 2824595, 4519352, 5649190, 9038704, 11298380, 18077408, 22596760, 45193520, 90387040]

約数ペア:

[(1, 90387040), (2, 45193520), (4, 22596760), (5, 18077408), (8, 11298380), (10, 9038704), (16, 5649190), (20, 4519352), (32, 2824595), (40, 2259676), (80, 1129838), (160, 564919)]