40339740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13721}}^1$

素因数の和:13747

約数の個数: 72

約数和(自身を含む): 131401872

約数和(自身を除く): 91062132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13721, 27442, 41163, 54884, 68605, 82326, 96047, 137210, 164652, 192094, 205815, 274420, 288141, 384188, 411630, 480235, 576282, 672329, 823260, 960470, 1152564, 1344658, 1440705, 1920940, 2016987, 2689316, 2881410, 3361645, 4033974, 5762820, 6723290, 8067948, 10084935, 13446580, 20169870, 40339740]

約数ペア:

[(1, 40339740), (2, 20169870), (3, 13446580), (4, 10084935), (5, 8067948), (6, 6723290), (7, 5762820), (10, 4033974), (12, 3361645), (14, 2881410), (15, 2689316), (20, 2016987), (21, 1920940), (28, 1440705), (30, 1344658), (35, 1152564), (42, 960470), (49, 823260), (60, 672329), (70, 576282), (84, 480235), (98, 411630), (105, 384188), (140, 288141), (147, 274420), (196, 205815), (210, 192094), (245, 164652), (294, 137210), (420, 96047), (490, 82326), (588, 68605), (735, 54884), (980, 41163), (1470, 27442), (2940, 13721)]