40170620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1091}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 96864768

約数和(自身を除く): 56694148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1091, 1315, 1841, 2182, 2630, 3682, 4364, 5260, 5455, 7364, 7637, 9205, 10910, 15274, 18410, 21820, 30548, 36820, 38185, 76370, 152740, 286933, 573866, 1147732, 1434665, 2008531, 2869330, 4017062, 5738660, 8034124, 10042655, 20085310, 40170620]

約数ペア:

[(1, 40170620), (2, 20085310), (4, 10042655), (5, 8034124), (7, 5738660), (10, 4017062), (14, 2869330), (20, 2008531), (28, 1434665), (35, 1147732), (70, 573866), (140, 286933), (263, 152740), (526, 76370), (1052, 38185), (1091, 36820), (1315, 30548), (1841, 21820), (2182, 18410), (2630, 15274), (3682, 10910), (4364, 9205), (5260, 7637), (5455, 7364)]