50101520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{12781}}^1$

素因数の和:12808

約数の個数: 60

約数和(自身を含む): 135514764

約数和(自身を除く): 85413244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 12781, 25562, 51124, 63905, 89467, 102248, 127810, 178934, 204496, 255620, 357868, 447335, 511240, 626269, 715736, 894670, 1022480, 1252538, 1431472, 1789340, 2505076, 3131345, 3578680, 5010152, 6262690, 7157360, 10020304, 12525380, 25050760, 50101520]

約数ペア:

[(1, 50101520), (2, 25050760), (4, 12525380), (5, 10020304), (7, 7157360), (8, 6262690), (10, 5010152), (14, 3578680), (16, 3131345), (20, 2505076), (28, 1789340), (35, 1431472), (40, 1252538), (49, 1022480), (56, 894670), (70, 715736), (80, 626269), (98, 511240), (112, 447335), (140, 357868), (196, 255620), (245, 204496), (280, 178934), (392, 127810), (490, 102248), (560, 89467), (784, 63905), (980, 51124), (1960, 25562), (3920, 12781)]