71330480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 180550944

約数和(自身を除く): 109220464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 641, 856, 1040, 1070, 1282, 1391, 1712, 2140, 2564, 2782, 3205, 4280, 5128, 5564, 6410, 6955, 8333, 8560, 10256, 11128, 12820, 13910, 16666, 22256, 25640, 27820, 33332, 41665, 51280, 55640, 66664, 68587, 83330, 111280, 133328, 137174, 166660, 274348, 333320, 342935, 548696, 666640, 685870, 891631, 1097392, 1371740, 1783262, 2743480, 3566524, 4458155, 5486960, 7133048, 8916310, 14266096, 17832620, 35665240, 71330480]

約数ペア:

[(1, 71330480), (2, 35665240), (4, 17832620), (5, 14266096), (8, 8916310), (10, 7133048), (13, 5486960), (16, 4458155), (20, 3566524), (26, 2743480), (40, 1783262), (52, 1371740), (65, 1097392), (80, 891631), (104, 685870), (107, 666640), (130, 548696), (208, 342935), (214, 333320), (260, 274348), (428, 166660), (520, 137174), (535, 133328), (641, 111280), (856, 83330), (1040, 68587), (1070, 66664), (1282, 55640), (1391, 51280), (1712, 41665), (2140, 33332), (2564, 27820), (2782, 25640), (3205, 22256), (4280, 16666), (5128, 13910), (5564, 12820), (6410, 11128), (6955, 10256), (8333, 8560)]