127866640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145303}}^1$

素因数の和:145327

約数の個数: 40

約数和(自身を含む): 324318528

約数和(自身を除く): 196451888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 145303, 290606, 581212, 726515, 1162424, 1453030, 1598333, 2324848, 2906060, 3196666, 5812120, 6393332, 7991665, 11624240, 12786664, 15983330, 25573328, 31966660, 63933320, 127866640]

約数ペア:

[(1, 127866640), (2, 63933320), (4, 31966660), (5, 25573328), (8, 15983330), (10, 12786664), (11, 11624240), (16, 7991665), (20, 6393332), (22, 5812120), (40, 3196666), (44, 2906060), (55, 2324848), (80, 1598333), (88, 1453030), (110, 1162424), (176, 726515), (220, 581212), (440, 290606), (880, 145303)]