61586320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17903}}^1$

素因数の和:17959

約数の個数: 40

約数和(自身を含む): 146526336

約数和(自身を除く): 84940016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 17903, 35806, 71612, 89515, 143224, 179030, 286448, 358060, 716120, 769829, 1432240, 1539658, 3079316, 3849145, 6158632, 7698290, 12317264, 15396580, 30793160, 61586320]

約数ペア:

[(1, 61586320), (2, 30793160), (4, 15396580), (5, 12317264), (8, 7698290), (10, 6158632), (16, 3849145), (20, 3079316), (40, 1539658), (43, 1432240), (80, 769829), (86, 716120), (172, 358060), (215, 286448), (344, 179030), (430, 143224), (688, 89515), (860, 71612), (1720, 35806), (3440, 17903)]