2000890240

素因数分解:

$2^7\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{2111}}^1$

素因数の和:3611

約数の個数: 64

約数和(自身を含む): 4788875520

約数和(自身を除く): 2787985280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1481, 2111, 2962, 4222, 5924, 7405, 8444, 10555, 11848, 14810, 16888, 21110, 23696, 29620, 33776, 42220, 47392, 59240, 67552, 84440, 94784, 118480, 135104, 168880, 189568, 236960, 270208, 337760, 473920, 675520, 947840, 1351040, 3126391, 6252782, 12505564, 15631955, 25011128, 31263910, 50022256, 62527820, 100044512, 125055640, 200089024, 250111280, 400178048, 500222560, 1000445120, 2000890240]

約数ペア:

[(1, 2000890240), (2, 1000445120), (4, 500222560), (5, 400178048), (8, 250111280), (10, 200089024), (16, 125055640), (20, 100044512), (32, 62527820), (40, 50022256), (64, 31263910), (80, 25011128), (128, 15631955), (160, 12505564), (320, 6252782), (640, 3126391), (1481, 1351040), (2111, 947840), (2962, 675520), (4222, 473920), (5924, 337760), (7405, 270208), (8444, 236960), (10555, 189568), (11848, 168880), (14810, 135104), (16888, 118480), (21110, 94784), (23696, 84440), (29620, 67552), (33776, 59240), (42220, 47392)]