80215652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 158699520

約数和(自身を除く): 78483868

約数列:

[1, 2, 4, 11, 22, 44, 47, 79, 94, 158, 188, 316, 491, 517, 869, 982, 1034, 1738, 1964, 2068, 3476, 3713, 5401, 7426, 10802, 14852, 21604, 23077, 38789, 40843, 46154, 77578, 81686, 92308, 155156, 163372, 253847, 426679, 507694, 853358, 1015388, 1706716, 1823083, 3646166, 7292332, 20053913, 40107826, 80215652]

約数ペア:

[(1, 80215652), (2, 40107826), (4, 20053913), (11, 7292332), (22, 3646166), (44, 1823083), (47, 1706716), (79, 1015388), (94, 853358), (158, 507694), (188, 426679), (316, 253847), (491, 163372), (517, 155156), (869, 92308), (982, 81686), (1034, 77578), (1738, 46154), (1964, 40843), (2068, 38789), (3476, 23077), (3713, 21604), (5401, 14852), (7426, 10802)]