40285040

素因数分解:

$2^4\times 5^1\times {\mathrm{503563}}^1$

素因数の和:503576

約数の個数: 20

約数和(自身を含む): 93662904

約数和(自身を除く): 53377864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503563, 1007126, 2014252, 2517815, 4028504, 5035630, 8057008, 10071260, 20142520, 40285040]

約数ペア:

[(1, 40285040), (2, 20142520), (4, 10071260), (5, 8057008), (8, 5035630), (10, 4028504), (16, 2517815), (20, 2014252), (40, 1007126), (80, 503563)]