81354200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 202368000

約数和(自身を除く): 121013800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 79, 95, 100, 152, 158, 190, 200, 271, 316, 380, 395, 475, 542, 632, 760, 790, 950, 1084, 1355, 1501, 1580, 1900, 1975, 2168, 2710, 3002, 3160, 3800, 3950, 5149, 5420, 6004, 6775, 7505, 7900, 10298, 10840, 12008, 13550, 15010, 15800, 20596, 21409, 25745, 27100, 30020, 37525, 41192, 42818, 51490, 54200, 60040, 75050, 85636, 102980, 107045, 128725, 150100, 171272, 205960, 214090, 257450, 300200, 406771, 428180, 514900, 535225, 813542, 856360, 1029800, 1070450, 1627084, 2033855, 2140900, 3254168, 4067710, 4281800, 8135420, 10169275, 16270840, 20338550, 40677100, 81354200]

約数ペア:

[(1, 81354200), (2, 40677100), (4, 20338550), (5, 16270840), (8, 10169275), (10, 8135420), (19, 4281800), (20, 4067710), (25, 3254168), (38, 2140900), (40, 2033855), (50, 1627084), (76, 1070450), (79, 1029800), (95, 856360), (100, 813542), (152, 535225), (158, 514900), (190, 428180), (200, 406771), (271, 300200), (316, 257450), (380, 214090), (395, 205960), (475, 171272), (542, 150100), (632, 128725), (760, 107045), (790, 102980), (950, 85636), (1084, 75050), (1355, 60040), (1501, 54200), (1580, 51490), (1900, 42818), (1975, 41192), (2168, 37525), (2710, 30020), (3002, 27100), (3160, 25745), (3800, 21409), (3950, 20596), (5149, 15800), (5420, 15010), (6004, 13550), (6775, 12008), (7505, 10840), (7900, 10298)]