2237644520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{787903}}^1$

素因数の和:787985

約数の個数: 32

約数和(自身を含む): 5105617920

約数和(自身を除く): 2867973400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 787903, 1575806, 3151612, 3939515, 6303224, 7879030, 15758060, 31516120, 55941113, 111882226, 223764452, 279705565, 447528904, 559411130, 1118822260, 2237644520]

約数ペア:

[(1, 2237644520), (2, 1118822260), (4, 559411130), (5, 447528904), (8, 279705565), (10, 223764452), (20, 111882226), (40, 55941113), (71, 31516120), (142, 15758060), (284, 7879030), (355, 6303224), (568, 3939515), (710, 3151612), (1420, 1575806), (2840, 787903)]