66637220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 151584048

約数和(自身を除く): 84946828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1301, 1970, 2561, 2602, 3940, 5122, 5204, 6505, 10244, 12805, 13010, 16913, 25610, 26020, 33826, 51220, 67652, 84565, 169130, 256297, 338260, 512594, 1025188, 1281485, 2562970, 3331861, 5125940, 6663722, 13327444, 16659305, 33318610, 66637220]

約数ペア:

[(1, 66637220), (2, 33318610), (4, 16659305), (5, 13327444), (10, 6663722), (13, 5125940), (20, 3331861), (26, 2562970), (52, 1281485), (65, 1025188), (130, 512594), (197, 338260), (260, 256297), (394, 169130), (788, 84565), (985, 67652), (1301, 51220), (1970, 33826), (2561, 26020), (2602, 25610), (3940, 16913), (5122, 13010), (5204, 12805), (6505, 10244)]