40242860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{287449}}^1$

素因数の和:287465

約数の個数: 24

約数和(自身を含む): 96583200

約数和(自身を除く): 56340340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 287449, 574898, 1149796, 1437245, 2012143, 2874490, 4024286, 5748980, 8048572, 10060715, 20121430, 40242860]

約数ペア:

[(1, 40242860), (2, 20121430), (4, 10060715), (5, 8048572), (7, 5748980), (10, 4024286), (14, 2874490), (20, 2012143), (28, 1437245), (35, 1149796), (70, 574898), (140, 287449)]