1373160620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{66853}}^1$

素因数の和:66954

約数の個数: 48

約数和(自身を含む): 3144812160

約数和(自身を除く): 1771651540

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, 66853, 133706, 267412, 334265, 668530, 869089, 1337060, 1738178, 3476356, 4345445, 5281387, 8690890, 10562774, 17381780, 21125548, 26406935, 52813870, 68658031, 105627740, 137316062, 274632124, 343290155, 686580310, 1373160620]

約数ペア:

[(1, 1373160620), (2, 686580310), (4, 343290155), (5, 274632124), (10, 137316062), (13, 105627740), (20, 68658031), (26, 52813870), (52, 26406935), (65, 21125548), (79, 17381780), (130, 10562774), (158, 8690890), (260, 5281387), (316, 4345445), (395, 3476356), (790, 1738178), (1027, 1337060), (1580, 869089), (2054, 668530), (4108, 334265), (5135, 267412), (10270, 133706), (20540, 66853)]