13280540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7297}}^1$

素因数の和:7326

約数の個数: 48

約数和(自身を含む): 34329792

約数和(自身を除く): 21049252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7297, 14594, 29188, 36485, 51079, 72970, 94861, 102158, 145940, 189722, 204316, 255395, 379444, 474305, 510790, 664027, 948610, 1021580, 1328054, 1897220, 2656108, 3320135, 6640270, 13280540]

約数ペア:

[(1, 13280540), (2, 6640270), (4, 3320135), (5, 2656108), (7, 1897220), (10, 1328054), (13, 1021580), (14, 948610), (20, 664027), (26, 510790), (28, 474305), (35, 379444), (52, 255395), (65, 204316), (70, 189722), (91, 145940), (130, 102158), (140, 94861), (182, 72970), (260, 51079), (364, 36485), (455, 29188), (910, 14594), (1820, 7297)]