128118320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145589}}^1$

素因数の和:145613

約数の個数: 40

約数和(自身を含む): 324956880

約数和(自身を除く): 196838560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 145589, 291178, 582356, 727945, 1164712, 1455890, 1601479, 2329424, 2911780, 3202958, 5823560, 6405916, 8007395, 11647120, 12811832, 16014790, 25623664, 32029580, 64059160, 128118320]

約数ペア:

[(1, 128118320), (2, 64059160), (4, 32029580), (5, 25623664), (8, 16014790), (10, 12811832), (11, 11647120), (16, 8007395), (20, 6405916), (22, 5823560), (40, 3202958), (44, 2911780), (55, 2329424), (80, 1601479), (88, 1455890), (110, 1164712), (176, 727945), (220, 582356), (440, 291178), (880, 145589)]