66920200

素因数分解:

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

素因数の和:8218

約数の個数: 48

約数和(自身を含む): 159403860

約数和(自身を除く): 92483660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8161, 8200, 16322, 32644, 40805, 65288, 81610, 163220, 204025, 326440, 334601, 408050, 669202, 816100, 1338404, 1632200, 1673005, 2676808, 3346010, 6692020, 8365025, 13384040, 16730050, 33460100, 66920200]

約数ペア:

[(1, 66920200), (2, 33460100), (4, 16730050), (5, 13384040), (8, 8365025), (10, 6692020), (20, 3346010), (25, 2676808), (40, 1673005), (41, 1632200), (50, 1338404), (82, 816100), (100, 669202), (164, 408050), (200, 334601), (205, 326440), (328, 204025), (410, 163220), (820, 81610), (1025, 65288), (1640, 40805), (2050, 32644), (4100, 16322), (8161, 8200)]