28911020

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1427}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 60815664

約数和(自身を除く): 31904644

約数列:

[1, 2, 4, 5, 10, 20, 1013, 1427, 2026, 2854, 4052, 5065, 5708, 7135, 10130, 14270, 20260, 28540, 1445551, 2891102, 5782204, 7227755, 14455510, 28911020]

約数ペア:

[(1, 28911020), (2, 14455510), (4, 7227755), (5, 5782204), (10, 2891102), (20, 1445551), (1013, 28540), (1427, 20260), (2026, 14270), (2854, 10130), (4052, 7135), (5065, 5708)]