51679460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 124467840

約数和(自身を除く): 72788380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 881, 1676, 1762, 2095, 2933, 3524, 4190, 4405, 5866, 6167, 8380, 8810, 11732, 12334, 14665, 17620, 24668, 29330, 30835, 58660, 61670, 123340, 369139, 738278, 1476556, 1845695, 2583973, 3691390, 5167946, 7382780, 10335892, 12919865, 25839730, 51679460]

約数ペア:

[(1, 51679460), (2, 25839730), (4, 12919865), (5, 10335892), (7, 7382780), (10, 5167946), (14, 3691390), (20, 2583973), (28, 1845695), (35, 1476556), (70, 738278), (140, 369139), (419, 123340), (838, 61670), (881, 58660), (1676, 30835), (1762, 29330), (2095, 24668), (2933, 17620), (3524, 14665), (4190, 12334), (4405, 11732), (5866, 8810), (6167, 8380)]