51274880

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 123838200

約数和(自身を除く): 72563320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 709, 904, 1130, 1418, 1808, 2260, 2836, 3545, 3616, 4520, 5672, 7090, 7232, 9040, 11344, 14180, 14464, 18080, 22688, 28360, 36160, 45376, 56720, 72320, 80117, 90752, 113440, 160234, 226880, 320468, 400585, 453760, 640936, 801170, 1281872, 1602340, 2563744, 3204680, 5127488, 6409360, 10254976, 12818720, 25637440, 51274880]

約数ペア:

[(1, 51274880), (2, 25637440), (4, 12818720), (5, 10254976), (8, 6409360), (10, 5127488), (16, 3204680), (20, 2563744), (32, 1602340), (40, 1281872), (64, 801170), (80, 640936), (113, 453760), (128, 400585), (160, 320468), (226, 226880), (320, 160234), (452, 113440), (565, 90752), (640, 80117), (709, 72320), (904, 56720), (1130, 45376), (1418, 36160), (1808, 28360), (2260, 22688), (2836, 18080), (3545, 14464), (3616, 14180), (4520, 11344), (5672, 9040), (7090, 7232)]