2160980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 4572288

約数和(自身を除く): 2411308

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 647, 668, 835, 1294, 1670, 2588, 3235, 3340, 6470, 12940, 108049, 216098, 432196, 540245, 1080490, 2160980]

約数ペア:

[(1, 2160980), (2, 1080490), (4, 540245), (5, 432196), (10, 216098), (20, 108049), (167, 12940), (334, 6470), (647, 3340), (668, 3235), (835, 2588), (1294, 1670)]