39940144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{108533}}^1$

素因数の和:108564

約数の個数: 20

約数和(自身を含む): 80749296

約数和(自身を除く): 40809152

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 108533, 217066, 434132, 868264, 1736528, 2496259, 4992518, 9985036, 19970072, 39940144]

約数ペア:

[(1, 39940144), (2, 19970072), (4, 9985036), (8, 4992518), (16, 2496259), (23, 1736528), (46, 868264), (92, 434132), (184, 217066), (368, 108533)]