2015499575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{6599}}^1$

素因数の和:7271

約数の個数: 24

約数和(自身を含む): 2635248000

約数和(自身を除く): 619748425

約数列:

[1, 5, 19, 25, 95, 475, 643, 3215, 6599, 12217, 16075, 32995, 61085, 125381, 164975, 305425, 626905, 3134525, 4243157, 21215785, 80619983, 106078925, 403099915, 2015499575]

約数ペア:

[(1, 2015499575), (5, 403099915), (19, 106078925), (25, 80619983), (95, 21215785), (475, 4243157), (643, 3134525), (3215, 626905), (6599, 305425), (12217, 164975), (16075, 125381), (32995, 61085)]