26983760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19871

約数の個数: 40

約数和(自身を含む): 66431016

約数和(自身を除く): 39447256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19841, 39682, 79364, 99205, 158728, 198410, 317456, 337297, 396820, 674594, 793640, 1349188, 1587280, 1686485, 2698376, 3372970, 5396752, 6745940, 13491880, 26983760]

約数ペア:

[(1, 26983760), (2, 13491880), (4, 6745940), (5, 5396752), (8, 3372970), (10, 2698376), (16, 1686485), (17, 1587280), (20, 1349188), (34, 793640), (40, 674594), (68, 396820), (80, 337297), (85, 317456), (136, 198410), (170, 158728), (272, 99205), (340, 79364), (680, 39682), (1360, 19841)]