90402680

素因数分解:

$2^3\times 5^1\times {\mathrm{2260067}}^1$

素因数の和:2260078

約数の個数: 16

約数和(自身を含む): 203406120

約数和(自身を除く): 113003440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2260067, 4520134, 9040268, 11300335, 18080536, 22600670, 45201340, 90402680]

約数ペア:

[(1, 90402680), (2, 45201340), (4, 22600670), (5, 18080536), (8, 11300335), (10, 9040268), (20, 4520134), (40, 2260067)]