1288407520

素因数分解:

$2^5\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{4327}}^1$

素因数の和:6203

約数の個数: 48

約数和(自身を含む): 3046202208

約数和(自身を除く): 1757794688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1861, 3722, 4327, 7444, 8654, 9305, 14888, 17308, 18610, 21635, 29776, 34616, 37220, 43270, 59552, 69232, 74440, 86540, 138464, 148880, 173080, 297760, 346160, 692320, 8052547, 16105094, 32210188, 40262735, 64420376, 80525470, 128840752, 161050940, 257681504, 322101880, 644203760, 1288407520]

約数ペア:

[(1, 1288407520), (2, 644203760), (4, 322101880), (5, 257681504), (8, 161050940), (10, 128840752), (16, 80525470), (20, 64420376), (32, 40262735), (40, 32210188), (80, 16105094), (160, 8052547), (1861, 692320), (3722, 346160), (4327, 297760), (7444, 173080), (8654, 148880), (9305, 138464), (14888, 86540), (17308, 74440), (18610, 69232), (21635, 59552), (29776, 43270), (34616, 37220)]