26440645540

素因数分解:

$2^2\times 5^1\times {\mathrm{2699}}^1\times {\mathrm{489823}}^1$

素因数の和:492531

約数の個数: 24

約数和(自身を含む): 55546041600

約数和(自身を除く): 29105396060

約数列:

[1, 2, 4, 5, 10, 20, 2699, 5398, 10796, 13495, 26990, 53980, 489823, 979646, 1959292, 2449115, 4898230, 9796460, 1322032277, 2644064554, 5288129108, 6610161385, 13220322770, 26440645540]

約数ペア:

[(1, 26440645540), (2, 13220322770), (4, 6610161385), (5, 5288129108), (10, 2644064554), (20, 1322032277), (2699, 9796460), (5398, 4898230), (10796, 2449115), (13495, 1959292), (26990, 979646), (53980, 489823)]