20160922850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{21013}}^1$

素因数の和:21675

約数の個数: 48

約数和(自身を含む): 38773351680

約数和(自身を除く): 18612428830

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 619, 775, 1238, 1550, 3095, 6190, 15475, 19189, 21013, 30950, 38378, 42026, 95945, 105065, 191890, 210130, 479725, 525325, 651403, 959450, 1050650, 1302806, 3257015, 6514030, 13007047, 16285075, 26014094, 32570150, 65035235, 130070470, 325176175, 403218457, 650352350, 806436914, 2016092285, 4032184570, 10080461425, 20160922850]

約数ペア:

[(1, 20160922850), (2, 10080461425), (5, 4032184570), (10, 2016092285), (25, 806436914), (31, 650352350), (50, 403218457), (62, 325176175), (155, 130070470), (310, 65035235), (619, 32570150), (775, 26014094), (1238, 16285075), (1550, 13007047), (3095, 6514030), (6190, 3257015), (15475, 1302806), (19189, 1050650), (21013, 959450), (30950, 651403), (38378, 525325), (42026, 479725), (95945, 210130), (105065, 191890)]