51282800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 130772880

約数和(自身を除く): 79490080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 53, 59, 80, 82, 100, 106, 118, 164, 200, 205, 212, 236, 265, 295, 328, 400, 410, 424, 472, 530, 590, 656, 820, 848, 944, 1025, 1060, 1180, 1325, 1475, 1640, 2050, 2120, 2173, 2360, 2419, 2650, 2950, 3127, 3280, 4100, 4240, 4346, 4720, 4838, 5300, 5900, 6254, 8200, 8692, 9676, 10600, 10865, 11800, 12095, 12508, 15635, 16400, 17384, 19352, 21200, 21730, 23600, 24190, 25016, 31270, 34768, 38704, 43460, 48380, 50032, 54325, 60475, 62540, 78175, 86920, 96760, 108650, 120950, 125080, 128207, 156350, 173840, 193520, 217300, 241900, 250160, 256414, 312700, 434600, 483800, 512828, 625400, 641035, 869200, 967600, 1025656, 1250800, 1282070, 2051312, 2564140, 3205175, 5128280, 6410350, 10256560, 12820700, 25641400, 51282800]

約数ペア:

[(1, 51282800), (2, 25641400), (4, 12820700), (5, 10256560), (8, 6410350), (10, 5128280), (16, 3205175), (20, 2564140), (25, 2051312), (40, 1282070), (41, 1250800), (50, 1025656), (53, 967600), (59, 869200), (80, 641035), (82, 625400), (100, 512828), (106, 483800), (118, 434600), (164, 312700), (200, 256414), (205, 250160), (212, 241900), (236, 217300), (265, 193520), (295, 173840), (328, 156350), (400, 128207), (410, 125080), (424, 120950), (472, 108650), (530, 96760), (590, 86920), (656, 78175), (820, 62540), (848, 60475), (944, 54325), (1025, 50032), (1060, 48380), (1180, 43460), (1325, 38704), (1475, 34768), (1640, 31270), (2050, 25016), (2120, 24190), (2173, 23600), (2360, 21730), (2419, 21200), (2650, 19352), (2950, 17384), (3127, 16400), (3280, 15635), (4100, 12508), (4240, 12095), (4346, 11800), (4720, 10865), (4838, 10600), (5300, 9676), (5900, 8692), (6254, 8200)]