24661640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1553}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 55664280

約数和(自身を除く): 31002640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1553, 1588, 1985, 3106, 3176, 3970, 6212, 7765, 7940, 12424, 15530, 15880, 31060, 62120, 616541, 1233082, 2466164, 3082705, 4932328, 6165410, 12330820, 24661640]

約数ペア:

[(1, 24661640), (2, 12330820), (4, 6165410), (5, 4932328), (8, 3082705), (10, 2466164), (20, 1233082), (40, 616541), (397, 62120), (794, 31060), (1553, 15880), (1588, 15530), (1985, 12424), (3106, 7940), (3176, 7765), (3970, 6212)]