788794640

素因数分解:

$2^4\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{4903}}^1$

素因数の和:6927

約数の個数: 40

約数和(自身を含む): 1835233728

約数和(自身を除く): 1046439088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2011, 4022, 4903, 8044, 9806, 10055, 16088, 19612, 20110, 24515, 32176, 39224, 40220, 49030, 78448, 80440, 98060, 160880, 196120, 392240, 9859933, 19719866, 39439732, 49299665, 78879464, 98599330, 157758928, 197198660, 394397320, 788794640]

約数ペア:

[(1, 788794640), (2, 394397320), (4, 197198660), (5, 157758928), (8, 98599330), (10, 78879464), (16, 49299665), (20, 39439732), (40, 19719866), (80, 9859933), (2011, 392240), (4022, 196120), (4903, 160880), (8044, 98060), (9806, 80440), (10055, 78448), (16088, 49030), (19612, 40220), (20110, 39224), (24515, 32176)]