68637920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32999}}^1$

素因数の和:33027

約数の個数: 48

約数和(自身を含む): 174636000

約数和(自身を除く): 105998080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 32999, 65998, 131996, 164995, 263992, 329990, 428987, 527984, 659980, 857974, 1055968, 1319960, 1715948, 2144935, 2639920, 3431896, 4289870, 5279840, 6863792, 8579740, 13727584, 17159480, 34318960, 68637920]

約数ペア:

[(1, 68637920), (2, 34318960), (4, 17159480), (5, 13727584), (8, 8579740), (10, 6863792), (13, 5279840), (16, 4289870), (20, 3431896), (26, 2639920), (32, 2144935), (40, 1715948), (52, 1319960), (65, 1055968), (80, 857974), (104, 659980), (130, 527984), (160, 428987), (208, 329990), (260, 263992), (416, 164995), (520, 131996), (1040, 65998), (2080, 32999)]