80469740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2437}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 183493632

約数和(自身を除く): 103023892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2437, 2540, 3302, 4874, 6604, 8255, 9748, 12185, 16510, 24370, 31681, 33020, 48740, 63362, 126724, 158405, 309499, 316810, 618998, 633620, 1237996, 1547495, 3094990, 4023487, 6189980, 8046974, 16093948, 20117435, 40234870, 80469740]

約数ペア:

[(1, 80469740), (2, 40234870), (4, 20117435), (5, 16093948), (10, 8046974), (13, 6189980), (20, 4023487), (26, 3094990), (52, 1547495), (65, 1237996), (127, 633620), (130, 618998), (254, 316810), (260, 309499), (508, 158405), (635, 126724), (1270, 63362), (1651, 48740), (2437, 33020), (2540, 31681), (3302, 24370), (4874, 16510), (6604, 12185), (8255, 9748)]