128262640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145753}}^1$

素因数の和:145777

約数の個数: 40

約数和(自身を含む): 325322928

約数和(自身を除く): 197060288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 145753, 291506, 583012, 728765, 1166024, 1457530, 1603283, 2332048, 2915060, 3206566, 5830120, 6413132, 8016415, 11660240, 12826264, 16032830, 25652528, 32065660, 64131320, 128262640]

約数ペア:

[(1, 128262640), (2, 64131320), (4, 32065660), (5, 25652528), (8, 16032830), (10, 12826264), (11, 11660240), (16, 8016415), (20, 6413132), (22, 5830120), (40, 3206566), (44, 2915060), (55, 2332048), (80, 1603283), (88, 1457530), (110, 1166024), (176, 728765), (220, 583012), (440, 291506), (880, 145753)]