78855580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14549}}^1$

素因数の和:14829

約数の個数: 24

約数和(自身を含む): 166219200

約数和(自身を除く): 87363620

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14549, 29098, 58196, 72745, 145490, 290980, 3942779, 7885558, 15771116, 19713895, 39427790, 78855580]

約数ペア:

[(1, 78855580), (2, 39427790), (4, 19713895), (5, 15771116), (10, 7885558), (20, 3942779), (271, 290980), (542, 145490), (1084, 72745), (1355, 58196), (2710, 29098), (5420, 14549)]