12858020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 19075420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3167, 4060, 6334, 12668, 15835, 22169, 31670, 44338, 63340, 88676, 91843, 110845, 183686, 221690, 367372, 443380, 459215, 642901, 918430, 1285802, 1836860, 2571604, 3214505, 6429010, 12858020]

約数ペア:

[(1, 12858020), (2, 6429010), (4, 3214505), (5, 2571604), (7, 1836860), (10, 1285802), (14, 918430), (20, 642901), (28, 459215), (29, 443380), (35, 367372), (58, 221690), (70, 183686), (116, 110845), (140, 91843), (145, 88676), (203, 63340), (290, 44338), (406, 31670), (580, 22169), (812, 15835), (1015, 12668), (2030, 6334), (3167, 4060)]