42787667080

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{501967}}^1$

素因数の和:504109

約数の個数: 32

約数和(自身を含む): 96317619840

約数和(自身を除く): 53529952760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 4262, 8524, 10655, 17048, 21310, 42620, 85240, 501967, 1003934, 2007868, 2509835, 4015736, 5019670, 10039340, 20078680, 1069691677, 2139383354, 4278766708, 5348458385, 8557533416, 10696916770, 21393833540, 42787667080]

約数ペア:

[(1, 42787667080), (2, 21393833540), (4, 10696916770), (5, 8557533416), (8, 5348458385), (10, 4278766708), (20, 2139383354), (40, 1069691677), (2131, 20078680), (4262, 10039340), (8524, 5019670), (10655, 4015736), (17048, 2509835), (21310, 2007868), (42620, 1003934), (85240, 501967)]