39916280

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2633}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 90082800

約数和(自身を除く): 50166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2633, 3032, 3790, 5266, 7580, 10532, 13165, 15160, 21064, 26330, 52660, 105320, 997907, 1995814, 3991628, 4989535, 7983256, 9979070, 19958140, 39916280]

約数ペア:

[(1, 39916280), (2, 19958140), (4, 9979070), (5, 7983256), (8, 4989535), (10, 3991628), (20, 1995814), (40, 997907), (379, 105320), (758, 52660), (1516, 26330), (1895, 21064), (2633, 15160), (3032, 13165), (3790, 10532), (5266, 7580)]