4021224820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2545079}}^1$

素因数の和:2545167

約数の個数: 24

約数和(自身を含む): 8551468800

約数和(自身を除く): 4530243980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2545079, 5090158, 10180316, 12725395, 25450790, 50901580, 201061241, 402122482, 804244964, 1005306205, 2010612410, 4021224820]

約数ペア:

[(1, 4021224820), (2, 2010612410), (4, 1005306205), (5, 804244964), (10, 402122482), (20, 201061241), (79, 50901580), (158, 25450790), (316, 12725395), (395, 10180316), (790, 5090158), (1580, 2545079)]