42020560

素因数分解:

$2^4\times 5^1\times {\mathrm{525257}}^1$

素因数の和:525270

約数の個数: 20

約数和(自身を含む): 97697988

約数和(自身を除く): 55677428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525257, 1050514, 2101028, 2626285, 4202056, 5252570, 8404112, 10505140, 21010280, 42020560]

約数ペア:

[(1, 42020560), (2, 21010280), (4, 10505140), (5, 8404112), (8, 5252570), (10, 4202056), (16, 2626285), (20, 2101028), (40, 1050514), (80, 525257)]