8501240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^2$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 21017880

約数和(自身を除く): 12516640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 5560, 6116, 7645, 12232, 15290, 19321, 30580, 38642, 61160, 77284, 96605, 154568, 193210, 212531, 386420, 425062, 772840, 850124, 1062655, 1700248, 2125310, 4250620, 8501240]

約数ペア:

[(1, 8501240), (2, 4250620), (4, 2125310), (5, 1700248), (8, 1062655), (10, 850124), (11, 772840), (20, 425062), (22, 386420), (40, 212531), (44, 193210), (55, 154568), (88, 96605), (110, 77284), (139, 61160), (220, 38642), (278, 30580), (440, 19321), (556, 15290), (695, 12232), (1112, 7645), (1390, 6116), (1529, 5560), (2780, 3058)]