51388600

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2887}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 120862800

約数和(自身を除く): 69474200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 2887, 3560, 4450, 5774, 8900, 11548, 14435, 17800, 23096, 28870, 57740, 72175, 115480, 144350, 256943, 288700, 513886, 577400, 1027772, 1284715, 2055544, 2569430, 5138860, 6423575, 10277720, 12847150, 25694300, 51388600]

約数ペア:

[(1, 51388600), (2, 25694300), (4, 12847150), (5, 10277720), (8, 6423575), (10, 5138860), (20, 2569430), (25, 2055544), (40, 1284715), (50, 1027772), (89, 577400), (100, 513886), (178, 288700), (200, 256943), (356, 144350), (445, 115480), (712, 72175), (890, 57740), (1780, 28870), (2225, 23096), (2887, 17800), (3560, 14435), (4450, 11548), (5774, 8900)]