8728820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25673}}^1$

素因数の和:25699

約数の個数: 24

約数和(自身を含む): 19409544

約数和(自身を除く): 10680724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 25673, 51346, 102692, 128365, 256730, 436441, 513460, 872882, 1745764, 2182205, 4364410, 8728820]

約数ペア:

[(1, 8728820), (2, 4364410), (4, 2182205), (5, 1745764), (10, 872882), (17, 513460), (20, 436441), (34, 256730), (68, 128365), (85, 102692), (170, 51346), (340, 25673)]