12823760

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1191

約数の個数: 40

約数和(自身を含む): 30034536

約数和(自身を除く): 17210776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1021, 1256, 1570, 2042, 2512, 3140, 4084, 5105, 6280, 8168, 10210, 12560, 16336, 20420, 40840, 81680, 160297, 320594, 641188, 801485, 1282376, 1602970, 2564752, 3205940, 6411880, 12823760]

約数ペア:

[(1, 12823760), (2, 6411880), (4, 3205940), (5, 2564752), (8, 1602970), (10, 1282376), (16, 801485), (20, 641188), (40, 320594), (80, 160297), (157, 81680), (314, 40840), (628, 20420), (785, 16336), (1021, 12560), (1256, 10210), (1570, 8168), (2042, 6280), (2512, 5105), (3140, 4084)]