158314640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179903}}^1$

素因数の和:179927

約数の個数: 40

約数和(自身を含む): 401545728

約数和(自身を除く): 243231088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 179903, 359806, 719612, 899515, 1439224, 1799030, 1978933, 2878448, 3598060, 3957866, 7196120, 7915732, 9894665, 14392240, 15831464, 19789330, 31662928, 39578660, 79157320, 158314640]

約数ペア:

[(1, 158314640), (2, 79157320), (4, 39578660), (5, 31662928), (8, 19789330), (10, 15831464), (11, 14392240), (16, 9894665), (20, 7915732), (22, 7196120), (40, 3957866), (44, 3598060), (55, 2878448), (80, 1978933), (88, 1799030), (110, 1439224), (176, 899515), (220, 719612), (440, 359806), (880, 179903)]