20161475750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167663}}^1$

素因数の和:167730

約数の個数: 64

約数和(自身を含む): 41744312064

約数和(自身を除く): 21582836314

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 185, 250, 325, 370, 481, 650, 925, 962, 1625, 1850, 2405, 3250, 4625, 4810, 9250, 12025, 24050, 60125, 120250, 167663, 335326, 838315, 1676630, 2179619, 4191575, 4359238, 6203531, 8383150, 10898095, 12407062, 20957875, 21796190, 31017655, 41915750, 54490475, 62035310, 80645903, 108980950, 155088275, 161291806, 272452375, 310176550, 403229515, 544904750, 775441375, 806459030, 1550882750, 2016147575, 4032295150, 10080737875, 20161475750]

約数ペア:

[(1, 20161475750), (2, 10080737875), (5, 4032295150), (10, 2016147575), (13, 1550882750), (25, 806459030), (26, 775441375), (37, 544904750), (50, 403229515), (65, 310176550), (74, 272452375), (125, 161291806), (130, 155088275), (185, 108980950), (250, 80645903), (325, 62035310), (370, 54490475), (481, 41915750), (650, 31017655), (925, 21796190), (962, 20957875), (1625, 12407062), (1850, 10898095), (2405, 8383150), (3250, 6203531), (4625, 4359238), (4810, 4191575), (9250, 2179619), (12025, 1676630), (24050, 838315), (60125, 335326), (120250, 167663)]