40374020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6491}}^1$

素因数の和:6811

約数の個数: 24

約数和(自身を含む): 85071168

約数和(自身を除く): 44697148

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 6491, 12982, 25964, 32455, 64910, 129820, 2018701, 4037402, 8074804, 10093505, 20187010, 40374020]

約数ペア:

[(1, 40374020), (2, 20187010), (4, 10093505), (5, 8074804), (10, 4037402), (20, 2018701), (311, 129820), (622, 64910), (1244, 32455), (1555, 25964), (3110, 12982), (6220, 6491)]