26788020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{63781}}^1$

素因数の和:63800

約数の個数: 48

約数和(自身を含む): 85723008

約数和(自身を除く): 58934988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 63781, 127562, 191343, 255124, 318905, 382686, 446467, 637810, 765372, 892934, 956715, 1275620, 1339401, 1785868, 1913430, 2232335, 2678802, 3826860, 4464670, 5357604, 6697005, 8929340, 13394010, 26788020]

約数ペア:

[(1, 26788020), (2, 13394010), (3, 8929340), (4, 6697005), (5, 5357604), (6, 4464670), (7, 3826860), (10, 2678802), (12, 2232335), (14, 1913430), (15, 1785868), (20, 1339401), (21, 1275620), (28, 956715), (30, 892934), (35, 765372), (42, 637810), (60, 446467), (70, 382686), (84, 318905), (105, 255124), (140, 191343), (210, 127562), (420, 63781)]