87695140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1019}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 199120320

約数和(自身を除く): 111425180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1019, 1324, 1655, 2038, 3310, 4076, 4303, 5095, 6620, 8606, 10190, 13247, 17212, 20380, 21515, 26494, 43030, 52988, 66235, 86060, 132470, 264940, 337289, 674578, 1349156, 1686445, 3372890, 4384757, 6745780, 8769514, 17539028, 21923785, 43847570, 87695140]

約数ペア:

[(1, 87695140), (2, 43847570), (4, 21923785), (5, 17539028), (10, 8769514), (13, 6745780), (20, 4384757), (26, 3372890), (52, 1686445), (65, 1349156), (130, 674578), (260, 337289), (331, 264940), (662, 132470), (1019, 86060), (1324, 66235), (1655, 52988), (2038, 43030), (3310, 26494), (4076, 21515), (4303, 20380), (5095, 17212), (6620, 13247), (8606, 10190)]