26289560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 65124000

約数和(自身を除く): 38834440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 401, 440, 596, 745, 802, 1192, 1490, 1604, 1639, 2005, 2980, 3208, 3278, 4010, 4411, 5960, 6556, 8020, 8195, 8822, 13112, 16040, 16390, 17644, 22055, 32780, 35288, 44110, 59749, 65560, 88220, 119498, 176440, 238996, 298745, 477992, 597490, 657239, 1194980, 1314478, 2389960, 2628956, 3286195, 5257912, 6572390, 13144780, 26289560]

約数ペア:

[(1, 26289560), (2, 13144780), (4, 6572390), (5, 5257912), (8, 3286195), (10, 2628956), (11, 2389960), (20, 1314478), (22, 1194980), (40, 657239), (44, 597490), (55, 477992), (88, 298745), (110, 238996), (149, 176440), (220, 119498), (298, 88220), (401, 65560), (440, 59749), (596, 44110), (745, 35288), (802, 32780), (1192, 22055), (1490, 17644), (1604, 16390), (1639, 16040), (2005, 13112), (2980, 8822), (3208, 8195), (3278, 8020), (4010, 6556), (4411, 5960)]