12581200

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:532

約数の個数: 60

約数和(自身を含む): 30721248

約数和(自身を除く): 18140048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 443, 568, 710, 886, 1136, 1420, 1772, 1775, 2215, 2840, 3544, 3550, 4430, 5680, 7088, 7100, 8860, 11075, 14200, 17720, 22150, 28400, 31453, 35440, 44300, 62906, 88600, 125812, 157265, 177200, 251624, 314530, 503248, 629060, 786325, 1258120, 1572650, 2516240, 3145300, 6290600, 12581200]

約数ペア:

[(1, 12581200), (2, 6290600), (4, 3145300), (5, 2516240), (8, 1572650), (10, 1258120), (16, 786325), (20, 629060), (25, 503248), (40, 314530), (50, 251624), (71, 177200), (80, 157265), (100, 125812), (142, 88600), (200, 62906), (284, 44300), (355, 35440), (400, 31453), (443, 28400), (568, 22150), (710, 17720), (886, 14200), (1136, 11075), (1420, 8860), (1772, 7100), (1775, 7088), (2215, 5680), (2840, 4430), (3544, 3550)]