28018040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41203}}^1$

素因数の和:41231

約数の個数: 32

約数和(自身を含む): 66750480

約数和(自身を除く): 38732440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41203, 82406, 164812, 206015, 329624, 412030, 700451, 824060, 1400902, 1648120, 2801804, 3502255, 5603608, 7004510, 14009020, 28018040]

約数ペア:

[(1, 28018040), (2, 14009020), (4, 7004510), (5, 5603608), (8, 3502255), (10, 2801804), (17, 1648120), (20, 1400902), (34, 824060), (40, 700451), (68, 412030), (85, 329624), (136, 206015), (170, 164812), (340, 82406), (680, 41203)]