51432400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1900

約数の個数: 60

約数和(自身を含む): 125375904

約数和(自身を除く): 73943504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 1811, 2840, 3550, 3622, 5680, 7100, 7244, 9055, 14200, 14488, 18110, 28400, 28976, 36220, 45275, 72440, 90550, 128581, 144880, 181100, 257162, 362200, 514324, 642905, 724400, 1028648, 1285810, 2057296, 2571620, 3214525, 5143240, 6429050, 10286480, 12858100, 25716200, 51432400]

約数ペア:

[(1, 51432400), (2, 25716200), (4, 12858100), (5, 10286480), (8, 6429050), (10, 5143240), (16, 3214525), (20, 2571620), (25, 2057296), (40, 1285810), (50, 1028648), (71, 724400), (80, 642905), (100, 514324), (142, 362200), (200, 257162), (284, 181100), (355, 144880), (400, 128581), (568, 90550), (710, 72440), (1136, 45275), (1420, 36220), (1775, 28976), (1811, 28400), (2840, 18110), (3550, 14488), (3622, 14200), (5680, 9055), (7100, 7244)]