51398120

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2927}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 115948800

約数和(自身を除く): 64550680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 2927, 3512, 4390, 5854, 8780, 11708, 14635, 17560, 23416, 29270, 58540, 117080, 1284953, 2569906, 5139812, 6424765, 10279624, 12849530, 25699060, 51398120]

約数ペア:

[(1, 51398120), (2, 25699060), (4, 12849530), (5, 10279624), (8, 6424765), (10, 5139812), (20, 2569906), (40, 1284953), (439, 117080), (878, 58540), (1756, 29270), (2195, 23416), (2927, 17560), (3512, 14635), (4390, 11708), (5854, 8780)]