66162820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45317}}^1$

素因数の和:45399

約数の個数: 24

約数和(自身を含む): 140848344

約数和(自身を除く): 74685524

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45317, 90634, 181268, 226585, 453170, 906340, 3308141, 6616282, 13232564, 16540705, 33081410, 66162820]

約数ペア:

[(1, 66162820), (2, 33081410), (4, 16540705), (5, 13232564), (10, 6616282), (20, 3308141), (73, 906340), (146, 453170), (292, 226585), (365, 181268), (730, 90634), (1460, 45317)]