909040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 2307888

約数和(自身を除く): 1398848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1033, 2066, 4132, 5165, 8264, 10330, 11363, 16528, 20660, 22726, 41320, 45452, 56815, 82640, 90904, 113630, 181808, 227260, 454520, 909040]

約数ペア:

[(1, 909040), (2, 454520), (4, 227260), (5, 181808), (8, 113630), (10, 90904), (11, 82640), (16, 56815), (20, 45452), (22, 41320), (40, 22726), (44, 20660), (55, 16528), (80, 11363), (88, 10330), (110, 8264), (176, 5165), (220, 4132), (440, 2066), (880, 1033)]