2133640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 4921560

約数和(自身を除く): 2787920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1301, 1640, 2602, 5204, 6505, 10408, 13010, 26020, 52040, 53341, 106682, 213364, 266705, 426728, 533410, 1066820, 2133640]

約数ペア:

[(1, 2133640), (2, 1066820), (4, 533410), (5, 426728), (8, 266705), (10, 213364), (20, 106682), (40, 53341), (41, 52040), (82, 26020), (164, 13010), (205, 10408), (328, 6505), (410, 5204), (820, 2602), (1301, 1640)]