66780740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2273}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 152430768

約数和(自身を除く): 85650028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2273, 2938, 4546, 5876, 7345, 9092, 11365, 14690, 22730, 29380, 29549, 45460, 59098, 118196, 147745, 256849, 295490, 513698, 590980, 1027396, 1284245, 2568490, 3339037, 5136980, 6678074, 13356148, 16695185, 33390370, 66780740]

約数ペア:

[(1, 66780740), (2, 33390370), (4, 16695185), (5, 13356148), (10, 6678074), (13, 5136980), (20, 3339037), (26, 2568490), (52, 1284245), (65, 1027396), (113, 590980), (130, 513698), (226, 295490), (260, 256849), (452, 147745), (565, 118196), (1130, 59098), (1469, 45460), (2260, 29549), (2273, 29380), (2938, 22730), (4546, 14690), (5876, 11365), (7345, 9092)]