20852028275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{35311}}^1$

素因数の和:35436

約数の個数: 48

約数和(自身を含む): 29424783360

約数和(自身を除く): 8572755085

約数列:

[1, 5, 13, 23, 25, 65, 79, 115, 299, 325, 395, 575, 1027, 1495, 1817, 1975, 5135, 7475, 9085, 23621, 25675, 35311, 45425, 118105, 176555, 459043, 590525, 812153, 882775, 2295215, 2789569, 4060765, 10557989, 11476075, 13947845, 20303825, 36264397, 52789945, 64160087, 69739225, 181321985, 263949725, 320800435, 834081131, 906609925, 1604002175, 4170405655, 20852028275]

約数ペア:

[(1, 20852028275), (5, 4170405655), (13, 1604002175), (23, 906609925), (25, 834081131), (65, 320800435), (79, 263949725), (115, 181321985), (299, 69739225), (325, 64160087), (395, 52789945), (575, 36264397), (1027, 20303825), (1495, 13947845), (1817, 11476075), (1975, 10557989), (5135, 4060765), (7475, 2789569), (9085, 2295215), (23621, 882775), (25675, 812153), (35311, 590525), (45425, 459043), (118105, 176555)]