9904840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22511}}^1$

素因数の和:22533

約数の個数: 32

約数和(自身を含む): 24312960

約数和(自身を除く): 14408120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22511, 45022, 90044, 112555, 180088, 225110, 247621, 450220, 495242, 900440, 990484, 1238105, 1980968, 2476210, 4952420, 9904840]

約数ペア:

[(1, 9904840), (2, 4952420), (4, 2476210), (5, 1980968), (8, 1238105), (10, 990484), (11, 900440), (20, 495242), (22, 450220), (40, 247621), (44, 225110), (55, 180088), (88, 112555), (110, 90044), (220, 45022), (440, 22511)]