40988556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{523}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 119019264

約数和(自身を除く): 78030708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311, 523, 622, 933, 1046, 1244, 1569, 1866, 2092, 2177, 2799, 3138, 3661, 3732, 4354, 4707, 5598, 6276, 6531, 7322, 8708, 9414, 10983, 11196, 13062, 14644, 18828, 19593, 21966, 26124, 32949, 39186, 43932, 65898, 78372, 131796, 162653, 325306, 487959, 650612, 975918, 1138571, 1463877, 1951836, 2277142, 2927754, 3415713, 4554284, 5855508, 6831426, 10247139, 13662852, 20494278, 40988556]

約数ペア:

[(1, 40988556), (2, 20494278), (3, 13662852), (4, 10247139), (6, 6831426), (7, 5855508), (9, 4554284), (12, 3415713), (14, 2927754), (18, 2277142), (21, 1951836), (28, 1463877), (36, 1138571), (42, 975918), (63, 650612), (84, 487959), (126, 325306), (252, 162653), (311, 131796), (523, 78372), (622, 65898), (933, 43932), (1046, 39186), (1244, 32949), (1569, 26124), (1866, 21966), (2092, 19593), (2177, 18828), (2799, 14644), (3138, 13062), (3661, 11196), (3732, 10983), (4354, 9414), (4707, 8708), (5598, 7322), (6276, 6531)]