681136180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{410323}}^1$

素因数の和:410415

約数の個数: 24

約数和(自身を含む): 1447623072

約数和(自身を除く): 766486892

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 410323, 820646, 1641292, 2051615, 4103230, 8206460, 34056809, 68113618, 136227236, 170284045, 340568090, 681136180]

約数ペア:

[(1, 681136180), (2, 340568090), (4, 170284045), (5, 136227236), (10, 68113618), (20, 34056809), (83, 8206460), (166, 4103230), (332, 2051615), (415, 1641292), (830, 820646), (1660, 410323)]