25111990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 46391616

約数和(自身を除く): 21279626

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 313, 355, 565, 626, 710, 1130, 1565, 3130, 8023, 16046, 22223, 35369, 40115, 44446, 70738, 80230, 111115, 176845, 222230, 353690, 2511199, 5022398, 12555995, 25111990]

約数ペア:

[(1, 25111990), (2, 12555995), (5, 5022398), (10, 2511199), (71, 353690), (113, 222230), (142, 176845), (226, 111115), (313, 80230), (355, 70738), (565, 44446), (626, 40115), (710, 35369), (1130, 22223), (1565, 16046), (3130, 8023)]