91320040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326143}}^1$

素因数の和:326161

約数の個数: 32

約数和(自身を含む): 234823680

約数和(自身を除く): 143503640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326143, 652286, 1304572, 1630715, 2283001, 2609144, 3261430, 4566002, 6522860, 9132004, 11415005, 13045720, 18264008, 22830010, 45660020, 91320040]

約数ペア:

[(1, 91320040), (2, 45660020), (4, 22830010), (5, 18264008), (7, 13045720), (8, 11415005), (10, 9132004), (14, 6522860), (20, 4566002), (28, 3261430), (35, 2609144), (40, 2283001), (56, 1630715), (70, 1304572), (140, 652286), (280, 326143)]