50641000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 120042000

約数和(自身を除く): 69401000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 445, 500, 569, 712, 890, 1000, 1138, 1780, 2225, 2276, 2845, 3560, 4450, 4552, 5690, 8900, 11125, 11380, 14225, 17800, 22250, 22760, 28450, 44500, 50641, 56900, 71125, 89000, 101282, 113800, 142250, 202564, 253205, 284500, 405128, 506410, 569000, 1012820, 1266025, 2025640, 2532050, 5064100, 6330125, 10128200, 12660250, 25320500, 50641000]

約数ペア:

[(1, 50641000), (2, 25320500), (4, 12660250), (5, 10128200), (8, 6330125), (10, 5064100), (20, 2532050), (25, 2025640), (40, 1266025), (50, 1012820), (89, 569000), (100, 506410), (125, 405128), (178, 284500), (200, 253205), (250, 202564), (356, 142250), (445, 113800), (500, 101282), (569, 89000), (712, 71125), (890, 56900), (1000, 50641), (1138, 44500), (1780, 28450), (2225, 22760), (2276, 22250), (2845, 17800), (3560, 14225), (4450, 11380), (4552, 11125), (5690, 8900)]