40790120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145679}}^1$

素因数の和:145697

約数の個数: 32

約数和(自身を含む): 104889600

約数和(自身を除く): 64099480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145679, 291358, 582716, 728395, 1019753, 1165432, 1456790, 2039506, 2913580, 4079012, 5098765, 5827160, 8158024, 10197530, 20395060, 40790120]

約数ペア:

[(1, 40790120), (2, 20395060), (4, 10197530), (5, 8158024), (7, 5827160), (8, 5098765), (10, 4079012), (14, 2913580), (20, 2039506), (28, 1456790), (35, 1165432), (40, 1019753), (56, 728395), (70, 582716), (140, 291358), (280, 145679)]