2806040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 6804000

約数和(自身を除く): 3997960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 59, 82, 116, 118, 145, 164, 205, 232, 236, 290, 295, 328, 410, 472, 580, 590, 820, 1160, 1180, 1189, 1640, 1711, 2360, 2378, 2419, 3422, 4756, 4838, 5945, 6844, 8555, 9512, 9676, 11890, 12095, 13688, 17110, 19352, 23780, 24190, 34220, 47560, 48380, 68440, 70151, 96760, 140302, 280604, 350755, 561208, 701510, 1403020, 2806040]

約数ペア:

[(1, 2806040), (2, 1403020), (4, 701510), (5, 561208), (8, 350755), (10, 280604), (20, 140302), (29, 96760), (40, 70151), (41, 68440), (58, 48380), (59, 47560), (82, 34220), (116, 24190), (118, 23780), (145, 19352), (164, 17110), (205, 13688), (232, 12095), (236, 11890), (290, 9676), (295, 9512), (328, 8555), (410, 6844), (472, 5945), (580, 4838), (590, 4756), (820, 3422), (1160, 2419), (1180, 2378), (1189, 2360), (1640, 1711)]