2780860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8179}}^1$

素因数の和:8205

約数の個数: 24

約数和(自身を含む): 6184080

約数和(自身を除く): 3403220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 8179, 16358, 32716, 40895, 81790, 139043, 163580, 278086, 556172, 695215, 1390430, 2780860]

約数ペア:

[(1, 2780860), (2, 1390430), (4, 695215), (5, 556172), (10, 278086), (17, 163580), (20, 139043), (34, 81790), (68, 40895), (85, 32716), (170, 16358), (340, 8179)]