13491880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19869

約数の個数: 32

約数和(自身を含む): 32144040

約数和(自身を除く): 18652160

約数列:

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

約数ペア:

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