91111120

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1481}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 212252040

約数和(自身を除く): 121140920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1481, 1538, 2962, 3076, 3845, 5924, 6152, 7405, 7690, 11848, 12304, 14810, 15380, 23696, 29620, 30760, 59240, 61520, 118480, 1138889, 2277778, 4555556, 5694445, 9111112, 11388890, 18222224, 22777780, 45555560, 91111120]

約数ペア:

[(1, 91111120), (2, 45555560), (4, 22777780), (5, 18222224), (8, 11388890), (10, 9111112), (16, 5694445), (20, 4555556), (40, 2277778), (80, 1138889), (769, 118480), (1481, 61520), (1538, 59240), (2962, 30760), (3076, 29620), (3845, 23696), (5924, 15380), (6152, 14810), (7405, 12304), (7690, 11848)]