42706420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52081}}^1$

素因数の和:52131

約数の個数: 24

約数和(自身を含む): 91872648

約数和(自身を除く): 49166228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 52081, 104162, 208324, 260405, 520810, 1041620, 2135321, 4270642, 8541284, 10676605, 21353210, 42706420]

約数ペア:

[(1, 42706420), (2, 21353210), (4, 10676605), (5, 8541284), (10, 4270642), (20, 2135321), (41, 1041620), (82, 520810), (164, 260405), (205, 208324), (410, 104162), (820, 52081)]