78694480

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1453}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 183361032

約数和(自身を除く): 104666552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 1453, 2708, 2906, 3385, 5416, 5812, 6770, 7265, 10832, 11624, 13540, 14530, 23248, 27080, 29060, 54160, 58120, 116240, 983681, 1967362, 3934724, 4918405, 7869448, 9836810, 15738896, 19673620, 39347240, 78694480]

約数ペア:

[(1, 78694480), (2, 39347240), (4, 19673620), (5, 15738896), (8, 9836810), (10, 7869448), (16, 4918405), (20, 3934724), (40, 1967362), (80, 983681), (677, 116240), (1354, 58120), (1453, 54160), (2708, 29060), (2906, 27080), (3385, 23248), (5416, 14530), (5812, 13540), (6770, 11624), (7265, 10832)]