325640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1163}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 838080

約数和(自身を除く): 512440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1163, 2326, 4652, 5815, 8141, 9304, 11630, 16282, 23260, 32564, 40705, 46520, 65128, 81410, 162820, 325640]

約数ペア:

[(1, 325640), (2, 162820), (4, 81410), (5, 65128), (7, 46520), (8, 40705), (10, 32564), (14, 23260), (20, 16282), (28, 11630), (35, 9304), (40, 8141), (56, 5815), (70, 4652), (140, 2326), (280, 1163)]