7428520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16883}}^1$

素因数の和:16905

約数の個数: 32

約数和(自身を含む): 18234720

約数和(自身を除く): 10806200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16883, 33766, 67532, 84415, 135064, 168830, 185713, 337660, 371426, 675320, 742852, 928565, 1485704, 1857130, 3714260, 7428520]

約数ペア:

[(1, 7428520), (2, 3714260), (4, 1857130), (5, 1485704), (8, 928565), (10, 742852), (11, 675320), (20, 371426), (22, 337660), (40, 185713), (44, 168830), (55, 135064), (88, 84415), (110, 67532), (220, 33766), (440, 16883)]