51500960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{6569}}^1$

素因数の和:6598

約数の個数: 72

約数和(自身を含む): 141557220

約数和(自身を除く): 90056260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 6569, 7840, 13138, 26276, 32845, 45983, 52552, 65690, 91966, 105104, 131380, 183932, 210208, 229915, 262760, 321881, 367864, 459830, 525520, 643762, 735728, 919660, 1051040, 1287524, 1471456, 1609405, 1839320, 2575048, 3218810, 3678640, 5150096, 6437620, 7357280, 10300192, 12875240, 25750480, 51500960]

約数ペア:

[(1, 51500960), (2, 25750480), (4, 12875240), (5, 10300192), (7, 7357280), (8, 6437620), (10, 5150096), (14, 3678640), (16, 3218810), (20, 2575048), (28, 1839320), (32, 1609405), (35, 1471456), (40, 1287524), (49, 1051040), (56, 919660), (70, 735728), (80, 643762), (98, 525520), (112, 459830), (140, 367864), (160, 321881), (196, 262760), (224, 229915), (245, 210208), (280, 183932), (392, 131380), (490, 105104), (560, 91966), (784, 65690), (980, 52552), (1120, 45983), (1568, 32845), (1960, 26276), (3920, 13138), (6569, 7840)]