200512840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455711}}^1$

素因数の和:455733

約数の個数: 32

約数和(自身を含む): 492168960

約数和(自身を除く): 291656120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 455711, 911422, 1822844, 2278555, 3645688, 4557110, 5012821, 9114220, 10025642, 18228440, 20051284, 25064105, 40102568, 50128210, 100256420, 200512840]

約数ペア:

[(1, 200512840), (2, 100256420), (4, 50128210), (5, 40102568), (8, 25064105), (10, 20051284), (11, 18228440), (20, 10025642), (22, 9114220), (40, 5012821), (44, 4557110), (55, 3645688), (88, 2278555), (110, 1822844), (220, 911422), (440, 455711)]