16278880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1433}}^1$

素因数の和:1519

約数の個数: 48

約数和(自身を含む): 39027744

約数和(自身を除く): 22748864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1433, 2272, 2840, 2866, 5680, 5732, 7165, 11360, 11464, 14330, 22928, 28660, 45856, 57320, 101743, 114640, 203486, 229280, 406972, 508715, 813944, 1017430, 1627888, 2034860, 3255776, 4069720, 8139440, 16278880]

約数ペア:

[(1, 16278880), (2, 8139440), (4, 4069720), (5, 3255776), (8, 2034860), (10, 1627888), (16, 1017430), (20, 813944), (32, 508715), (40, 406972), (71, 229280), (80, 203486), (142, 114640), (160, 101743), (284, 57320), (355, 45856), (568, 28660), (710, 22928), (1136, 14330), (1420, 11464), (1433, 11360), (2272, 7165), (2840, 5732), (2866, 5680)]