27680770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3090

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 26751230

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2999, 4615, 5998, 9230, 14995, 29990, 38987, 77974, 194935, 212929, 389870, 425858, 1064645, 2129290, 2768077, 5536154, 13840385, 27680770]

約数ペア:

[(1, 27680770), (2, 13840385), (5, 5536154), (10, 2768077), (13, 2129290), (26, 1064645), (65, 425858), (71, 389870), (130, 212929), (142, 194935), (355, 77974), (710, 38987), (923, 29990), (1846, 14995), (2999, 9230), (4615, 5998)]