4306970980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{209687}}^1$

素因数の和:209788

約数の個数: 48

約数和(自身を含む): 9863723520

約数和(自身を除く): 5556752540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 209687, 419374, 838748, 1048435, 2096870, 2725931, 4193740, 5451862, 10903724, 13629655, 16565273, 27259310, 33130546, 54518620, 66261092, 82826365, 165652730, 215348549, 331305460, 430697098, 861394196, 1076742745, 2153485490, 4306970980]

約数ペア:

[(1, 4306970980), (2, 2153485490), (4, 1076742745), (5, 861394196), (10, 430697098), (13, 331305460), (20, 215348549), (26, 165652730), (52, 82826365), (65, 66261092), (79, 54518620), (130, 33130546), (158, 27259310), (260, 16565273), (316, 13629655), (395, 10903724), (790, 5451862), (1027, 4193740), (1580, 2725931), (2054, 2096870), (4108, 1048435), (5135, 838748), (10270, 419374), (20540, 209687)]