767780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 1736952

約数和(自身を除く): 969172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2953, 5906, 11812, 14765, 29530, 38389, 59060, 76778, 153556, 191945, 383890, 767780]

約数ペア:

[(1, 767780), (2, 383890), (4, 191945), (5, 153556), (10, 76778), (13, 59060), (20, 38389), (26, 29530), (52, 14765), (65, 11812), (130, 5906), (260, 2953)]