80854510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 166053888

約数和(自身を除く): 85199378

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 131, 155, 181, 262, 310, 341, 362, 655, 682, 905, 1310, 1441, 1705, 1810, 1991, 2882, 3410, 3982, 4061, 5611, 7205, 8122, 9955, 11222, 14410, 19910, 20305, 23711, 28055, 40610, 44671, 47422, 56110, 61721, 89342, 118555, 123442, 223355, 237110, 260821, 308605, 446710, 521642, 617210, 735041, 1304105, 1470082, 2608210, 3675205, 7350410, 8085451, 16170902, 40427255, 80854510]

約数ペア:

[(1, 80854510), (2, 40427255), (5, 16170902), (10, 8085451), (11, 7350410), (22, 3675205), (31, 2608210), (55, 1470082), (62, 1304105), (110, 735041), (131, 617210), (155, 521642), (181, 446710), (262, 308605), (310, 260821), (341, 237110), (362, 223355), (655, 123442), (682, 118555), (905, 89342), (1310, 61721), (1441, 56110), (1705, 47422), (1810, 44671), (1991, 40610), (2882, 28055), (3410, 23711), (3982, 20305), (4061, 19910), (5611, 14410), (7205, 11222), (8122, 9955)]