42608840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25981}}^1$

素因数の和:26033

約数の個数: 32

約数和(自身を含む): 98211960

約数和(自身を除く): 55603120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25981, 51962, 103924, 129905, 207848, 259810, 519620, 1039240, 1065221, 2130442, 4260884, 5326105, 8521768, 10652210, 21304420, 42608840]

約数ペア:

[(1, 42608840), (2, 21304420), (4, 10652210), (5, 8521768), (8, 5326105), (10, 4260884), (20, 2130442), (40, 1065221), (41, 1039240), (82, 519620), (164, 259810), (205, 207848), (328, 129905), (410, 103924), (820, 51962), (1640, 25981)]