68169440

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2141}}^1$

素因数の和:2355

約数の個数: 48

約数和(自身を含む): 161935200

約数和(自身を除く): 93765760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2141, 3184, 3980, 4282, 6368, 7960, 8564, 10705, 15920, 17128, 21410, 31840, 34256, 42820, 68512, 85640, 171280, 342560, 426059, 852118, 1704236, 2130295, 3408472, 4260590, 6816944, 8521180, 13633888, 17042360, 34084720, 68169440]

約数ペア:

[(1, 68169440), (2, 34084720), (4, 17042360), (5, 13633888), (8, 8521180), (10, 6816944), (16, 4260590), (20, 3408472), (32, 2130295), (40, 1704236), (80, 852118), (160, 426059), (199, 342560), (398, 171280), (796, 85640), (995, 68512), (1592, 42820), (1990, 34256), (2141, 31840), (3184, 21410), (3980, 17128), (4282, 15920), (6368, 10705), (7960, 8564)]