13384040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8161}}^1$

素因数の和:8213

約数の個数: 32

約数和(自身を含む): 30852360

約数和(自身を除く): 17468320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8161, 16322, 32644, 40805, 65288, 81610, 163220, 326440, 334601, 669202, 1338404, 1673005, 2676808, 3346010, 6692020, 13384040]

約数ペア:

[(1, 13384040), (2, 6692020), (4, 3346010), (5, 2676808), (8, 1673005), (10, 1338404), (20, 669202), (40, 334601), (41, 326440), (82, 163220), (164, 81610), (205, 65288), (328, 40805), (410, 32644), (820, 16322), (1640, 8161)]