5178550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 10749312

約数和(自身を除く): 5570762

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 257, 310, 325, 403, 514, 650, 775, 806, 1285, 1550, 2015, 2570, 3341, 4030, 6425, 6682, 7967, 10075, 12850, 15934, 16705, 20150, 33410, 39835, 79670, 83525, 103571, 167050, 199175, 207142, 398350, 517855, 1035710, 2589275, 5178550]

約数ペア:

[(1, 5178550), (2, 2589275), (5, 1035710), (10, 517855), (13, 398350), (25, 207142), (26, 199175), (31, 167050), (50, 103571), (62, 83525), (65, 79670), (130, 39835), (155, 33410), (257, 20150), (310, 16705), (325, 15934), (403, 12850), (514, 10075), (650, 7967), (775, 6682), (806, 6425), (1285, 4030), (1550, 3341), (2015, 2570)]