28457320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41849}}^1$

素因数の和:41877

約数の個数: 32

約数和(自身を含む): 67797000

約数和(自身を除く): 39339680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41849, 83698, 167396, 209245, 334792, 418490, 711433, 836980, 1422866, 1673960, 2845732, 3557165, 5691464, 7114330, 14228660, 28457320]

約数ペア:

[(1, 28457320), (2, 14228660), (4, 7114330), (5, 5691464), (8, 3557165), (10, 2845732), (17, 1673960), (20, 1422866), (34, 836980), (40, 711433), (68, 418490), (85, 334792), (136, 209245), (170, 167396), (340, 83698), (680, 41849)]