2012575

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 18

約数和(自身を含む): 2645664

約数和(自身を除く): 633089

約数列:

[1, 5, 19, 25, 95, 223, 361, 475, 1115, 1805, 4237, 5575, 9025, 21185, 80503, 105925, 402515, 2012575]

約数ペア:

[(1, 2012575), (5, 402515), (19, 105925), (25, 80503), (95, 21185), (223, 9025), (361, 5575), (475, 4237), (1115, 1805)]