15678548420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1\times {\mathrm{17987}}^1$

素因数の和:19100

約数の個数: 48

約数和(自身を含む): 33761605248

約数和(自身を除く): 18083056828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1063, 2126, 4252, 5315, 10630, 17987, 21260, 35974, 43583, 71948, 87166, 89935, 174332, 179870, 217915, 359740, 435830, 737467, 871660, 1474934, 2949868, 3687335, 7374670, 14749340, 19120181, 38240362, 76480724, 95600905, 191201810, 382403620, 783927421, 1567854842, 3135709684, 3919637105, 7839274210, 15678548420]

約数ペア:

[(1, 15678548420), (2, 7839274210), (4, 3919637105), (5, 3135709684), (10, 1567854842), (20, 783927421), (41, 382403620), (82, 191201810), (164, 95600905), (205, 76480724), (410, 38240362), (820, 19120181), (1063, 14749340), (2126, 7374670), (4252, 3687335), (5315, 2949868), (10630, 1474934), (17987, 871660), (21260, 737467), (35974, 435830), (43583, 359740), (71948, 217915), (87166, 179870), (89935, 174332)]