890666530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{4339}}^1$

素因数の和:5938

約数の個数: 32

約数和(自身を含む): 1728014400

約数和(自身を除く): 837347870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1579, 3158, 4339, 7895, 8678, 15790, 20527, 21695, 41054, 43390, 56407, 102635, 112814, 205270, 282035, 564070, 6851281, 13702562, 34256405, 68512810, 89066653, 178133306, 445333265, 890666530]

約数ペア:

[(1, 890666530), (2, 445333265), (5, 178133306), (10, 89066653), (13, 68512810), (26, 34256405), (65, 13702562), (130, 6851281), (1579, 564070), (3158, 282035), (4339, 205270), (7895, 112814), (8678, 102635), (15790, 56407), (20527, 43390), (21695, 41054)]