12628760

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 28555200

約数和(自身を除く): 15926440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1321, 1912, 2390, 2642, 4780, 5284, 6605, 9560, 10568, 13210, 26420, 52840, 315719, 631438, 1262876, 1578595, 2525752, 3157190, 6314380, 12628760]

約数ペア:

[(1, 12628760), (2, 6314380), (4, 3157190), (5, 2525752), (8, 1578595), (10, 1262876), (20, 631438), (40, 315719), (239, 52840), (478, 26420), (956, 13210), (1195, 10568), (1321, 9560), (1912, 6605), (2390, 5284), (2642, 4780)]