86638480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56999}}^1$

素因数の和:57031

約数の個数: 40

約数和(自身を含む): 212040000

約数和(自身を除く): 125401520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 56999, 113998, 227996, 284995, 455992, 569990, 911984, 1082981, 1139980, 2165962, 2279960, 4331924, 4559920, 5414905, 8663848, 10829810, 17327696, 21659620, 43319240, 86638480]

約数ペア:

[(1, 86638480), (2, 43319240), (4, 21659620), (5, 17327696), (8, 10829810), (10, 8663848), (16, 5414905), (19, 4559920), (20, 4331924), (38, 2279960), (40, 2165962), (76, 1139980), (80, 1082981), (95, 911984), (152, 569990), (190, 455992), (304, 284995), (380, 227996), (760, 113998), (1520, 56999)]