90995120

素因数分解:

$2^4\times 5^1\times {\mathrm{1137439}}^1$

素因数の和:1137452

約数の個数: 20

約数和(自身を含む): 211563840

約数和(自身を除く): 120568720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1137439, 2274878, 4549756, 5687195, 9099512, 11374390, 18199024, 22748780, 45497560, 90995120]

約数ペア:

[(1, 90995120), (2, 45497560), (4, 22748780), (5, 18199024), (8, 11374390), (10, 9099512), (16, 5687195), (20, 4549756), (40, 2274878), (80, 1137439)]