81587950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{39799}}^1$

素因数の和:39852

約数の個数: 24

約数和(自身を含む): 155458800

約数和(自身を除く): 73870850

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 39799, 79598, 198995, 397990, 994975, 1631759, 1989950, 3263518, 8158795, 16317590, 40793975, 81587950]

約数ペア:

[(1, 81587950), (2, 40793975), (5, 16317590), (10, 8158795), (25, 3263518), (41, 1989950), (50, 1631759), (82, 994975), (205, 397990), (410, 198995), (1025, 79598), (2050, 39799)]