42039280

素因数分解:

$2^4\times 5^1\times {\mathrm{525491}}^1$

素因数の和:525504

約数の個数: 20

約数和(自身を含む): 97741512

約数和(自身を除く): 55702232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525491, 1050982, 2101964, 2627455, 4203928, 5254910, 8407856, 10509820, 21019640, 42039280]

約数ペア:

[(1, 42039280), (2, 21019640), (4, 10509820), (5, 8407856), (8, 5254910), (10, 4203928), (16, 2627455), (20, 2101964), (40, 1050982), (80, 525491)]