78692980

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14519}}^1$

素因数の和:14799

約数の個数: 24

約数和(自身を含む): 165876480

約数和(自身を除く): 87183500

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14519, 29038, 58076, 72595, 145190, 290380, 3934649, 7869298, 15738596, 19673245, 39346490, 78692980]

約数ペア:

[(1, 78692980), (2, 39346490), (4, 19673245), (5, 15738596), (10, 7869298), (20, 3934649), (271, 290380), (542, 145190), (1084, 72595), (1355, 58076), (2710, 29038), (5420, 14519)]