25787220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3943}}^1$

素因数の和:4064

約数の個数: 48

約数和(自身を含む): 72885120

約数和(自身を除く): 47097900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 3943, 6540, 7886, 11829, 15772, 19715, 23658, 39430, 47316, 59145, 78860, 118290, 236580, 429787, 859574, 1289361, 1719148, 2148935, 2578722, 4297870, 5157444, 6446805, 8595740, 12893610, 25787220]

約数ペア:

[(1, 25787220), (2, 12893610), (3, 8595740), (4, 6446805), (5, 5157444), (6, 4297870), (10, 2578722), (12, 2148935), (15, 1719148), (20, 1289361), (30, 859574), (60, 429787), (109, 236580), (218, 118290), (327, 78860), (436, 59145), (545, 47316), (654, 39430), (1090, 23658), (1308, 19715), (1635, 15772), (2180, 11829), (3270, 7886), (3943, 6540)]