25566020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3541}}^1$

素因数の和:3588

約数の個数: 36

約数和(自身を含む): 56679084

約数和(自身を除く): 31113064

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3541, 3610, 7082, 7220, 14164, 17705, 35410, 67279, 70820, 134558, 269116, 336395, 672790, 1278301, 1345580, 2556602, 5113204, 6391505, 12783010, 25566020]

約数ペア:

[(1, 25566020), (2, 12783010), (4, 6391505), (5, 5113204), (10, 2556602), (19, 1345580), (20, 1278301), (38, 672790), (76, 336395), (95, 269116), (190, 134558), (361, 70820), (380, 67279), (722, 35410), (1444, 17705), (1805, 14164), (3541, 7220), (3610, 7082)]