2845640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10163}}^1$

素因数の和:10181

約数の個数: 32

約数和(自身を含む): 7318080

約数和(自身を除く): 4472440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10163, 20326, 40652, 50815, 71141, 81304, 101630, 142282, 203260, 284564, 355705, 406520, 569128, 711410, 1422820, 2845640]

約数ペア:

[(1, 2845640), (2, 1422820), (4, 711410), (5, 569128), (7, 406520), (8, 355705), (10, 284564), (14, 203260), (20, 142282), (28, 101630), (35, 81304), (40, 71141), (56, 50815), (70, 40652), (140, 20326), (280, 10163)]