26878740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{63997}}^1$

素因数の和:64016

約数の個数: 48

約数和(自身を含む): 86013312

約数和(自身を除く): 59134572

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, 63997, 127994, 191991, 255988, 319985, 383982, 447979, 639970, 767964, 895958, 959955, 1279940, 1343937, 1791916, 1919910, 2239895, 2687874, 3839820, 4479790, 5375748, 6719685, 8959580, 13439370, 26878740]

約数ペア:

[(1, 26878740), (2, 13439370), (3, 8959580), (4, 6719685), (5, 5375748), (6, 4479790), (7, 3839820), (10, 2687874), (12, 2239895), (14, 1919910), (15, 1791916), (20, 1343937), (21, 1279940), (28, 959955), (30, 895958), (35, 767964), (42, 639970), (60, 447979), (70, 383982), (84, 319985), (105, 255988), (140, 191991), (210, 127994), (420, 63997)]