855441220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1043221}}^1$

素因数の和:1043271

約数の個数: 24

約数和(自身を含む): 1840243608

約数和(自身を除く): 984802388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1043221, 2086442, 4172884, 5216105, 10432210, 20864420, 42772061, 85544122, 171088244, 213860305, 427720610, 855441220]

約数ペア:

[(1, 855441220), (2, 427720610), (4, 213860305), (5, 171088244), (10, 85544122), (20, 42772061), (41, 20864420), (82, 10432210), (164, 5216105), (205, 4172884), (410, 2086442), (820, 1043221)]