31178120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9391}}^1$

素因数の和:9485

約数の個数: 32

約数和(自身を含む): 71003520

約数和(自身を除く): 39825400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 375640, 779453, 1558906, 3117812, 3897265, 6235624, 7794530, 15589060, 31178120]

約数ペア:

[(1, 31178120), (2, 15589060), (4, 7794530), (5, 6235624), (8, 3897265), (10, 3117812), (20, 1558906), (40, 779453), (83, 375640), (166, 187820), (332, 93910), (415, 75128), (664, 46955), (830, 37564), (1660, 18782), (3320, 9391)]