90494080

素因数分解:

$2^7\times 5^1\times {\mathrm{141397}}^1$

素因数の和:141416

約数の個数: 32

約数和(自身を含む): 216338940

約数和(自身を除く): 125844860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141397, 282794, 565588, 706985, 1131176, 1413970, 2262352, 2827940, 4524704, 5655880, 9049408, 11311760, 18098816, 22623520, 45247040, 90494080]

約数ペア:

[(1, 90494080), (2, 45247040), (4, 22623520), (5, 18098816), (8, 11311760), (10, 9049408), (16, 5655880), (20, 4524704), (32, 2827940), (40, 2262352), (64, 1413970), (80, 1131176), (128, 706985), (160, 565588), (320, 282794), (640, 141397)]