531356720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{161999}}^1$

素因数の和:162053

約数の個数: 40

約数和(自身を含む): 1265544000

約数和(自身を除く): 734187280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 161999, 323998, 647996, 809995, 1295992, 1619990, 2591984, 3239980, 6479960, 6641959, 12959920, 13283918, 26567836, 33209795, 53135672, 66419590, 106271344, 132839180, 265678360, 531356720]

約数ペア:

[(1, 531356720), (2, 265678360), (4, 132839180), (5, 106271344), (8, 66419590), (10, 53135672), (16, 33209795), (20, 26567836), (40, 13283918), (41, 12959920), (80, 6641959), (82, 6479960), (164, 3239980), (205, 2591984), (328, 1619990), (410, 1295992), (656, 809995), (820, 647996), (1640, 323998), (3280, 161999)]