8208100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1132

約数の個数: 36

約数和(自身を含む): 18054400

約数和(自身を除く): 9846300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1039, 1580, 1975, 2078, 3950, 4156, 5195, 7900, 10390, 20780, 25975, 51950, 82081, 103900, 164162, 328324, 410405, 820810, 1641620, 2052025, 4104050, 8208100]

約数ペア:

[(1, 8208100), (2, 4104050), (4, 2052025), (5, 1641620), (10, 820810), (20, 410405), (25, 328324), (50, 164162), (79, 103900), (100, 82081), (158, 51950), (316, 25975), (395, 20780), (790, 10390), (1039, 7900), (1580, 5195), (1975, 4156), (2078, 3950)]