26979540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64237}}^1$

素因数の和:64256

約数の個数: 48

約数和(自身を含む): 86335872

約数和(自身を除く): 59356332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64237, 128474, 192711, 256948, 321185, 385422, 449659, 642370, 770844, 899318, 963555, 1284740, 1348977, 1798636, 1927110, 2248295, 2697954, 3854220, 4496590, 5395908, 6744885, 8993180, 13489770, 26979540]

約数ペア:

[(1, 26979540), (2, 13489770), (3, 8993180), (4, 6744885), (5, 5395908), (6, 4496590), (7, 3854220), (10, 2697954), (12, 2248295), (14, 1927110), (15, 1798636), (20, 1348977), (21, 1284740), (28, 963555), (30, 899318), (35, 770844), (42, 642370), (60, 449659), (70, 385422), (84, 321185), (105, 256948), (140, 192711), (210, 128474), (420, 64237)]