25993360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3217}}^1$

素因数の和:3331

約数の個数: 40

約数和(自身を含む): 61051896

約数和(自身を除く): 35058536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3217, 4040, 6434, 8080, 12868, 16085, 25736, 32170, 51472, 64340, 128680, 257360, 324917, 649834, 1299668, 1624585, 2599336, 3249170, 5198672, 6498340, 12996680, 25993360]

約数ペア:

[(1, 25993360), (2, 12996680), (4, 6498340), (5, 5198672), (8, 3249170), (10, 2599336), (16, 1624585), (20, 1299668), (40, 649834), (80, 324917), (101, 257360), (202, 128680), (404, 64340), (505, 51472), (808, 32170), (1010, 25736), (1616, 16085), (2020, 12868), (3217, 8080), (4040, 6434)]