25513630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 21531170

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 263, 445, 526, 545, 890, 1090, 1315, 2630, 9701, 19402, 23407, 28667, 46814, 48505, 57334, 97010, 117035, 143335, 234070, 286670, 2551363, 5102726, 12756815, 25513630]

約数ペア:

[(1, 25513630), (2, 12756815), (5, 5102726), (10, 2551363), (89, 286670), (109, 234070), (178, 143335), (218, 117035), (263, 97010), (445, 57334), (526, 48505), (545, 46814), (890, 28667), (1090, 23407), (1315, 19402), (2630, 9701)]