71098640

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1361}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 165679128

約数和(自身を除く): 94580488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 1361, 2612, 2722, 3265, 5224, 5444, 6530, 6805, 10448, 10888, 13060, 13610, 21776, 26120, 27220, 52240, 54440, 108880, 888733, 1777466, 3554932, 4443665, 7109864, 8887330, 14219728, 17774660, 35549320, 71098640]

約数ペア:

[(1, 71098640), (2, 35549320), (4, 17774660), (5, 14219728), (8, 8887330), (10, 7109864), (16, 4443665), (20, 3554932), (40, 1777466), (80, 888733), (653, 108880), (1306, 54440), (1361, 52240), (2612, 27220), (2722, 26120), (3265, 21776), (5224, 13610), (5444, 13060), (6530, 10888), (6805, 10448)]