25050760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12781}}^1$

素因数の和:12806

約数の個数: 48

約数和(自身を含む): 65571660

約数和(自身を除く): 40520900

約数列:

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

約数ペア:

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