66142870

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{52081}}^1$

素因数の和:52215

約数の個数: 16

約数和(自身を含む): 119996928

約数和(自身を除く): 53854058

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 52081, 104162, 260405, 520810, 6614287, 13228574, 33071435, 66142870]

約数ペア:

[(1, 66142870), (2, 33071435), (5, 13228574), (10, 6614287), (127, 520810), (254, 260405), (635, 104162), (1270, 52081)]