40970980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25931}}^1$

素因数の和:26019

約数の個数: 24

約数和(自身を含む): 87131520

約数和(自身を除く): 46160540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25931, 51862, 103724, 129655, 259310, 518620, 2048549, 4097098, 8194196, 10242745, 20485490, 40970980]

約数ペア:

[(1, 40970980), (2, 20485490), (4, 10242745), (5, 8194196), (10, 4097098), (20, 2048549), (79, 518620), (158, 259310), (316, 129655), (395, 103724), (790, 51862), (1580, 25931)]