42097880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 104021280

約数和(自身を除く): 61923400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 397, 440, 482, 794, 964, 1205, 1588, 1928, 1985, 2410, 2651, 3176, 3970, 4367, 4820, 5302, 7940, 8734, 9640, 10604, 13255, 15880, 17468, 21208, 21835, 26510, 34936, 43670, 53020, 87340, 95677, 106040, 174680, 191354, 382708, 478385, 765416, 956770, 1052447, 1913540, 2104894, 3827080, 4209788, 5262235, 8419576, 10524470, 21048940, 42097880]

約数ペア:

[(1, 42097880), (2, 21048940), (4, 10524470), (5, 8419576), (8, 5262235), (10, 4209788), (11, 3827080), (20, 2104894), (22, 1913540), (40, 1052447), (44, 956770), (55, 765416), (88, 478385), (110, 382708), (220, 191354), (241, 174680), (397, 106040), (440, 95677), (482, 87340), (794, 53020), (964, 43670), (1205, 34936), (1588, 26510), (1928, 21835), (1985, 21208), (2410, 17468), (2651, 15880), (3176, 13255), (3970, 10604), (4367, 9640), (4820, 8734), (5302, 7940)]