4131920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 10780560

約数和(自身を除く): 6648640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 137, 145, 208, 232, 260, 274, 290, 377, 464, 520, 548, 580, 685, 754, 1040, 1096, 1160, 1370, 1508, 1781, 1885, 2192, 2320, 2740, 3016, 3562, 3770, 3973, 5480, 6032, 7124, 7540, 7946, 8905, 10960, 14248, 15080, 15892, 17810, 19865, 28496, 30160, 31784, 35620, 39730, 51649, 63568, 71240, 79460, 103298, 142480, 158920, 206596, 258245, 317840, 413192, 516490, 826384, 1032980, 2065960, 4131920]

約数ペア:

[(1, 4131920), (2, 2065960), (4, 1032980), (5, 826384), (8, 516490), (10, 413192), (13, 317840), (16, 258245), (20, 206596), (26, 158920), (29, 142480), (40, 103298), (52, 79460), (58, 71240), (65, 63568), (80, 51649), (104, 39730), (116, 35620), (130, 31784), (137, 30160), (145, 28496), (208, 19865), (232, 17810), (260, 15892), (274, 15080), (290, 14248), (377, 10960), (464, 8905), (520, 7946), (548, 7540), (580, 7124), (685, 6032), (754, 5480), (1040, 3973), (1096, 3770), (1160, 3562), (1370, 3016), (1508, 2740), (1781, 2320), (1885, 2192)]