28565780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84017}}^1$

素因数の和:84043

約数の個数: 24

約数和(自身を含む): 63517608

約数和(自身を除く): 34951828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84017, 168034, 336068, 420085, 840170, 1428289, 1680340, 2856578, 5713156, 7141445, 14282890, 28565780]

約数ペア:

[(1, 28565780), (2, 14282890), (4, 7141445), (5, 5713156), (10, 2856578), (17, 1680340), (20, 1428289), (34, 840170), (68, 420085), (85, 336068), (170, 168034), (340, 84017)]