65530520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{148933}}^1$

素因数の和:148955

約数の個数: 32

約数和(自身を含む): 160848720

約数和(自身を除く): 95318200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 148933, 297866, 595732, 744665, 1191464, 1489330, 1638263, 2978660, 3276526, 5957320, 6553052, 8191315, 13106104, 16382630, 32765260, 65530520]

約数ペア:

[(1, 65530520), (2, 32765260), (4, 16382630), (5, 13106104), (8, 8191315), (10, 6553052), (11, 5957320), (20, 3276526), (22, 2978660), (40, 1638263), (44, 1489330), (55, 1191464), (88, 744665), (110, 595732), (220, 297866), (440, 148933)]