40268984

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 89911800

約数和(自身を除く): 49642816

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 2107, 2389, 2408, 4214, 4778, 8428, 9556, 16723, 16856, 19112, 33446, 66892, 102727, 117061, 133784, 205454, 234122, 410908, 468244, 719089, 821816, 936488, 1438178, 2876356, 5033623, 5752712, 10067246, 20134492, 40268984]

約数ペア:

[(1, 40268984), (2, 20134492), (4, 10067246), (7, 5752712), (8, 5033623), (14, 2876356), (28, 1438178), (43, 936488), (49, 821816), (56, 719089), (86, 468244), (98, 410908), (172, 234122), (196, 205454), (301, 133784), (344, 117061), (392, 102727), (602, 66892), (1204, 33446), (2107, 19112), (2389, 16856), (2408, 16723), (4214, 9556), (4778, 8428)]