31142480

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2017}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 72817512

約数和(自身を除く): 41675032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 2017, 3088, 3860, 4034, 7720, 8068, 10085, 15440, 16136, 20170, 32272, 40340, 80680, 161360, 389281, 778562, 1557124, 1946405, 3114248, 3892810, 6228496, 7785620, 15571240, 31142480]

約数ペア:

[(1, 31142480), (2, 15571240), (4, 7785620), (5, 6228496), (8, 3892810), (10, 3114248), (16, 1946405), (20, 1557124), (40, 778562), (80, 389281), (193, 161360), (386, 80680), (772, 40340), (965, 32272), (1544, 20170), (1930, 16136), (2017, 15440), (3088, 10085), (3860, 8068), (4034, 7720)]