164921000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 390761280

約数和(自身を除く): 225840280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 332, 415, 500, 664, 830, 1000, 1660, 1987, 2075, 3320, 3974, 4150, 7948, 8300, 9935, 10375, 15896, 16600, 19870, 20750, 39740, 41500, 49675, 79480, 83000, 99350, 164921, 198700, 248375, 329842, 397400, 496750, 659684, 824605, 993500, 1319368, 1649210, 1987000, 3298420, 4123025, 6596840, 8246050, 16492100, 20615125, 32984200, 41230250, 82460500, 164921000]

約数ペア:

[(1, 164921000), (2, 82460500), (4, 41230250), (5, 32984200), (8, 20615125), (10, 16492100), (20, 8246050), (25, 6596840), (40, 4123025), (50, 3298420), (83, 1987000), (100, 1649210), (125, 1319368), (166, 993500), (200, 824605), (250, 659684), (332, 496750), (415, 397400), (500, 329842), (664, 248375), (830, 198700), (1000, 164921), (1660, 99350), (1987, 83000), (2075, 79480), (3320, 49675), (3974, 41500), (4150, 39740), (7948, 20750), (8300, 19870), (9935, 16600), (10375, 15896)]