87281140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52579}}^1$

素因数の和:52671

約数の個数: 24

約数和(自身を含む): 185502240

約数和(自身を除く): 98221100

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 52579, 105158, 210316, 262895, 525790, 1051580, 4364057, 8728114, 17456228, 21820285, 43640570, 87281140]

約数ペア:

[(1, 87281140), (2, 43640570), (4, 21820285), (5, 17456228), (10, 8728114), (20, 4364057), (83, 1051580), (166, 525790), (332, 262895), (415, 210316), (830, 105158), (1660, 52579)]