31108120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21019}}^1$

素因数の和:21067

約数の個数: 32

約数和(自身を含む): 71888400

約数和(自身を除く): 40780280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21019, 42038, 84076, 105095, 168152, 210190, 420380, 777703, 840760, 1555406, 3110812, 3888515, 6221624, 7777030, 15554060, 31108120]

約数ペア:

[(1, 31108120), (2, 15554060), (4, 7777030), (5, 6221624), (8, 3888515), (10, 3110812), (20, 1555406), (37, 840760), (40, 777703), (74, 420380), (148, 210190), (185, 168152), (296, 105095), (370, 84076), (740, 42038), (1480, 21019)]