11965580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 27681696

約数和(自身を除く): 15716116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 397, 548, 685, 794, 1370, 1507, 1588, 1985, 2740, 3014, 3970, 4367, 6028, 7535, 7940, 8734, 15070, 17468, 21835, 30140, 43670, 54389, 87340, 108778, 217556, 271945, 543890, 598279, 1087780, 1196558, 2393116, 2991395, 5982790, 11965580]

約数ペア:

[(1, 11965580), (2, 5982790), (4, 2991395), (5, 2393116), (10, 1196558), (11, 1087780), (20, 598279), (22, 543890), (44, 271945), (55, 217556), (110, 108778), (137, 87340), (220, 54389), (274, 43670), (397, 30140), (548, 21835), (685, 17468), (794, 15070), (1370, 8734), (1507, 7940), (1588, 7535), (1985, 6028), (2740, 4367), (3014, 3970)]