78866780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{96179}}^1$

素因数の和:96229

約数の個数: 24

約数和(自身を含む): 169661520

約数和(自身を除く): 90794740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 96179, 192358, 384716, 480895, 961790, 1923580, 3943339, 7886678, 15773356, 19716695, 39433390, 78866780]

約数ペア:

[(1, 78866780), (2, 39433390), (4, 19716695), (5, 15773356), (10, 7886678), (20, 3943339), (41, 1923580), (82, 961790), (164, 480895), (205, 384716), (410, 192358), (820, 96179)]