2547220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 5877648

約数和(自身を除く): 3330428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 101, 130, 194, 202, 260, 388, 404, 485, 505, 970, 1010, 1261, 1313, 1940, 2020, 2522, 2626, 5044, 5252, 6305, 6565, 9797, 12610, 13130, 19594, 25220, 26260, 39188, 48985, 97970, 127361, 195940, 254722, 509444, 636805, 1273610, 2547220]

約数ペア:

[(1, 2547220), (2, 1273610), (4, 636805), (5, 509444), (10, 254722), (13, 195940), (20, 127361), (26, 97970), (52, 48985), (65, 39188), (97, 26260), (101, 25220), (130, 19594), (194, 13130), (202, 12610), (260, 9797), (388, 6565), (404, 6305), (485, 5252), (505, 5044), (970, 2626), (1010, 2522), (1261, 2020), (1313, 1940)]