8195120

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1253

約数の個数: 40

約数和(自身を含む): 19284480

約数和(自身を除く): 11089360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1151, 1424, 1780, 2302, 3560, 4604, 5755, 7120, 9208, 11510, 18416, 23020, 46040, 92080, 102439, 204878, 409756, 512195, 819512, 1024390, 1639024, 2048780, 4097560, 8195120]

約数ペア:

[(1, 8195120), (2, 4097560), (4, 2048780), (5, 1639024), (8, 1024390), (10, 819512), (16, 512195), (20, 409756), (40, 204878), (80, 102439), (89, 92080), (178, 46040), (356, 23020), (445, 18416), (712, 11510), (890, 9208), (1151, 7120), (1424, 5755), (1780, 4604), (2302, 3560)]