201916280

素因数分解:

$2^3\times 5^1\times {\mathrm{5047907}}^1$

素因数の和:5047918

約数の個数: 16

約数和(自身を含む): 454311720

約数和(自身を除く): 252395440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5047907, 10095814, 20191628, 25239535, 40383256, 50479070, 100958140, 201916280]

約数ペア:

[(1, 201916280), (2, 100958140), (4, 50479070), (5, 40383256), (8, 25239535), (10, 20191628), (20, 10095814), (40, 5047907)]