71457880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 174636000

約数和(自身を除く): 103178120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1049, 1310, 1703, 2098, 2620, 3406, 4196, 5240, 5245, 6812, 8392, 8515, 10490, 13624, 13637, 17030, 20980, 27274, 34060, 41960, 54548, 68120, 68185, 109096, 136370, 137419, 272740, 274838, 545480, 549676, 687095, 1099352, 1374190, 1786447, 2748380, 3572894, 5496760, 7145788, 8932235, 14291576, 17864470, 35728940, 71457880]

約数ペア:

[(1, 71457880), (2, 35728940), (4, 17864470), (5, 14291576), (8, 8932235), (10, 7145788), (13, 5496760), (20, 3572894), (26, 2748380), (40, 1786447), (52, 1374190), (65, 1099352), (104, 687095), (130, 549676), (131, 545480), (260, 274838), (262, 272740), (520, 137419), (524, 136370), (655, 109096), (1048, 68185), (1049, 68120), (1310, 54548), (1703, 41960), (2098, 34060), (2620, 27274), (3406, 20980), (4196, 17030), (5240, 13637), (5245, 13624), (6812, 10490), (8392, 8515)]