31961380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 73846080

約数和(自身を除く): 41884700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1109, 1310, 1441, 2218, 2620, 2882, 4436, 5545, 5764, 7205, 11090, 12199, 14410, 22180, 24398, 28820, 48796, 60995, 121990, 145279, 243980, 290558, 581116, 726395, 1452790, 1598069, 2905580, 3196138, 6392276, 7990345, 15980690, 31961380]

約数ペア:

[(1, 31961380), (2, 15980690), (4, 7990345), (5, 6392276), (10, 3196138), (11, 2905580), (20, 1598069), (22, 1452790), (44, 726395), (55, 581116), (110, 290558), (131, 243980), (220, 145279), (262, 121990), (524, 60995), (655, 48796), (1109, 28820), (1310, 24398), (1441, 22180), (2218, 14410), (2620, 12199), (2882, 11090), (4436, 7205), (5545, 5764)]