40872470

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{9103}}^1$

素因数の和:9559

約数の個数: 16

約数和(自身を含む): 73742400

約数和(自身を除く): 32869930

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 9103, 18206, 45515, 91030, 4087247, 8174494, 20436235, 40872470]

約数ペア:

[(1, 40872470), (2, 20436235), (5, 8174494), (10, 4087247), (449, 91030), (898, 45515), (2245, 18206), (4490, 9103)]