188078620

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{6481}}^1$

素因数の和:7941

約数の個数: 24

約数和(自身を含む): 395298288

約数和(自身を除く): 207219668

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 5804, 6481, 7255, 12962, 14510, 25924, 29020, 32405, 64810, 129620, 9403931, 18807862, 37615724, 47019655, 94039310, 188078620]

約数ペア:

[(1, 188078620), (2, 94039310), (4, 47019655), (5, 37615724), (10, 18807862), (20, 9403931), (1451, 129620), (2902, 64810), (5804, 32405), (6481, 29020), (7255, 25924), (12962, 14510)]