40472560

素因数分解:

$2^4\times 5^1\times {\mathrm{505907}}^1$

素因数の和:505920

約数の個数: 20

約数和(自身を含む): 94098888

約数和(自身を除く): 53626328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505907, 1011814, 2023628, 2529535, 4047256, 5059070, 8094512, 10118140, 20236280, 40472560]

約数ペア:

[(1, 40472560), (2, 20236280), (4, 10118140), (5, 8094512), (8, 5059070), (10, 4047256), (16, 2529535), (20, 2023628), (40, 1011814), (80, 505907)]