12996680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3217}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 29541240

約数和(自身を除く): 16544560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3217, 4040, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 324917, 649834, 1299668, 1624585, 2599336, 3249170, 6498340, 12996680]

約数ペア:

[(1, 12996680), (2, 6498340), (4, 3249170), (5, 2599336), (8, 1624585), (10, 1299668), (20, 649834), (40, 324917), (101, 128680), (202, 64340), (404, 32170), (505, 25736), (808, 16085), (1010, 12868), (2020, 6434), (3217, 4040)]