66388580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{144323}}^1$

素因数の和:144355

約数の個数: 24

約数和(自身を含む): 145478592

約数和(自身を除く): 79090012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 144323, 288646, 577292, 721615, 1443230, 2886460, 3319429, 6638858, 13277716, 16597145, 33194290, 66388580]

約数ペア:

[(1, 66388580), (2, 33194290), (4, 16597145), (5, 13277716), (10, 6638858), (20, 3319429), (23, 2886460), (46, 1443230), (92, 721615), (115, 577292), (230, 288646), (460, 144323)]