200565640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455831}}^1$

素因数の和:455853

約数の個数: 32

約数和(自身を含む): 492298560

約数和(自身を除く): 291732920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 455831, 911662, 1823324, 2279155, 3646648, 4558310, 5014141, 9116620, 10028282, 18233240, 20056564, 25070705, 40113128, 50141410, 100282820, 200565640]

約数ペア:

[(1, 200565640), (2, 100282820), (4, 50141410), (5, 40113128), (8, 25070705), (10, 20056564), (11, 18233240), (20, 10028282), (22, 9116620), (40, 5014141), (44, 4558310), (55, 3646648), (88, 2279155), (110, 1823324), (220, 911662), (440, 455831)]