42866980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 98219520

約数和(自身を除く): 55352540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 2087, 4108, 4174, 5135, 8348, 10270, 10435, 20540, 20870, 27131, 41740, 54262, 108524, 135655, 164873, 271310, 329746, 542620, 659492, 824365, 1648730, 2143349, 3297460, 4286698, 8573396, 10716745, 21433490, 42866980]

約数ペア:

[(1, 42866980), (2, 21433490), (4, 10716745), (5, 8573396), (10, 4286698), (13, 3297460), (20, 2143349), (26, 1648730), (52, 824365), (65, 659492), (79, 542620), (130, 329746), (158, 271310), (260, 164873), (316, 135655), (395, 108524), (790, 54262), (1027, 41740), (1580, 27131), (2054, 20870), (2087, 20540), (4108, 10435), (4174, 10270), (5135, 8348)]