40856820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1307}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 114706368

約数和(自身を除く): 73849548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1307, 1563, 2084, 2605, 2614, 3126, 3921, 5210, 5228, 6252, 6535, 7815, 7842, 10420, 13070, 15630, 15684, 19605, 26140, 31260, 39210, 78420, 680947, 1361894, 2042841, 2723788, 3404735, 4085682, 6809470, 8171364, 10214205, 13618940, 20428410, 40856820]

約数ペア:

[(1, 40856820), (2, 20428410), (3, 13618940), (4, 10214205), (5, 8171364), (6, 6809470), (10, 4085682), (12, 3404735), (15, 2723788), (20, 2042841), (30, 1361894), (60, 680947), (521, 78420), (1042, 39210), (1307, 31260), (1563, 26140), (2084, 19605), (2605, 15684), (2614, 15630), (3126, 13070), (3921, 10420), (5210, 7842), (5228, 7815), (6252, 6535)]