40278892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 72500400

約数和(自身を除く): 32221508

約数列:

[1, 2, 4, 41, 82, 164, 449, 547, 898, 1094, 1796, 2188, 18409, 22427, 36818, 44854, 73636, 89708, 245603, 491206, 982412, 10069723, 20139446, 40278892]

約数ペア:

[(1, 40278892), (2, 20139446), (4, 10069723), (41, 982412), (82, 491206), (164, 245603), (449, 89708), (547, 73636), (898, 44854), (1094, 36818), (1796, 22427), (2188, 18409)]