65494120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10429}}^1$

素因数の和:10597

約数の個数: 32

約数和(自身を含む): 148314600

約数和(自身を除く): 82820480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10429, 20858, 41716, 52145, 83432, 104290, 208580, 417160, 1637353, 3274706, 6549412, 8186765, 13098824, 16373530, 32747060, 65494120]

約数ペア:

[(1, 65494120), (2, 32747060), (4, 16373530), (5, 13098824), (8, 8186765), (10, 6549412), (20, 3274706), (40, 1637353), (157, 417160), (314, 208580), (628, 104290), (785, 83432), (1256, 52145), (1570, 41716), (3140, 20858), (6280, 10429)]