40900280

素因数分解:

$2^3\times 5^1\times {\mathrm{1022507}}^1$

素因数の和:1022518

約数の個数: 16

約数和(自身を含む): 92025720

約数和(自身を除く): 51125440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1022507, 2045014, 4090028, 5112535, 8180056, 10225070, 20450140, 40900280]

約数ペア:

[(1, 40900280), (2, 20450140), (4, 10225070), (5, 8180056), (8, 5112535), (10, 4090028), (20, 2045014), (40, 1022507)]