24780520

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3581}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 56094120

約数和(自身を除く): 31313600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 3581, 6920, 7162, 14324, 17905, 28648, 35810, 71620, 143240, 619513, 1239026, 2478052, 3097565, 4956104, 6195130, 12390260, 24780520]

約数ペア:

[(1, 24780520), (2, 12390260), (4, 6195130), (5, 4956104), (8, 3097565), (10, 2478052), (20, 1239026), (40, 619513), (173, 143240), (346, 71620), (692, 35810), (865, 28648), (1384, 17905), (1730, 14324), (3460, 7162), (3581, 6920)]