51140800

素因数分解:

$2^6\times 5^2\times {\mathrm{31963}}^1$

素因数の和:31985

約数の個数: 42

約数和(自身を含む): 125842268

約数和(自身を除く): 74701468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 31963, 63926, 127852, 159815, 255704, 319630, 511408, 639260, 799075, 1022816, 1278520, 1598150, 2045632, 2557040, 3196300, 5114080, 6392600, 10228160, 12785200, 25570400, 51140800]

約数ペア:

[(1, 51140800), (2, 25570400), (4, 12785200), (5, 10228160), (8, 6392600), (10, 5114080), (16, 3196300), (20, 2557040), (25, 2045632), (32, 1598150), (40, 1278520), (50, 1022816), (64, 799075), (80, 639260), (100, 511408), (160, 319630), (200, 255704), (320, 159815), (400, 127852), (800, 63926), (1600, 31963)]