2529020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 5842368

約数和(自身を除く): 3313348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 137, 142, 260, 274, 284, 355, 548, 685, 710, 923, 1370, 1420, 1781, 1846, 2740, 3562, 3692, 4615, 7124, 8905, 9230, 9727, 17810, 18460, 19454, 35620, 38908, 48635, 97270, 126451, 194540, 252902, 505804, 632255, 1264510, 2529020]

約数ペア:

[(1, 2529020), (2, 1264510), (4, 632255), (5, 505804), (10, 252902), (13, 194540), (20, 126451), (26, 97270), (52, 48635), (65, 38908), (71, 35620), (130, 19454), (137, 18460), (142, 17810), (260, 9727), (274, 9230), (284, 8905), (355, 7124), (548, 4615), (685, 3692), (710, 3562), (923, 2740), (1370, 1846), (1420, 1781)]