200212840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122081}}^1$

素因数の和:122133

約数の個数: 32

約数和(自身を含む): 461469960

約数和(自身を除く): 261257120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122081, 244162, 488324, 610405, 976648, 1220810, 2441620, 4883240, 5005321, 10010642, 20021284, 25026605, 40042568, 50053210, 100106420, 200212840]

約数ペア:

[(1, 200212840), (2, 100106420), (4, 50053210), (5, 40042568), (8, 25026605), (10, 20021284), (20, 10010642), (40, 5005321), (41, 4883240), (82, 2441620), (164, 1220810), (205, 976648), (328, 610405), (410, 488324), (820, 244162), (1640, 122081)]