2015278850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72103}}^1$

素因数の和:72171

約数の個数: 48

約数和(自身を含む): 4130693952

約数和(自身を除く): 2115415102

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 5590, 13975, 27950, 72103, 144206, 360515, 721030, 937339, 1802575, 1874678, 3100429, 3605150, 4686695, 6200858, 9373390, 15502145, 23433475, 31004290, 40305577, 46866950, 77510725, 80611154, 155021450, 201527885, 403055770, 1007639425, 2015278850]

約数ペア:

[(1, 2015278850), (2, 1007639425), (5, 403055770), (10, 201527885), (13, 155021450), (25, 80611154), (26, 77510725), (43, 46866950), (50, 40305577), (65, 31004290), (86, 23433475), (130, 15502145), (215, 9373390), (325, 6200858), (430, 4686695), (559, 3605150), (650, 3100429), (1075, 1874678), (1118, 1802575), (2150, 937339), (2795, 721030), (5590, 360515), (13975, 144206), (27950, 72103)]