89641520

素因数分解:

$2^4\times 5^1\times {\mathrm{1120519}}^1$

素因数の和:1120532

約数の個数: 20

約数和(自身を含む): 208416720

約数和(自身を除く): 118775200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120519, 2241038, 4482076, 5602595, 8964152, 11205190, 17928304, 22410380, 44820760, 89641520]

約数ペア:

[(1, 89641520), (2, 44820760), (4, 22410380), (5, 17928304), (8, 11205190), (10, 8964152), (16, 5602595), (20, 4482076), (40, 2241038), (80, 1120519)]