87648520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115327}}^1$

素因数の和:115357

約数の個数: 32

約数和(自身を含む): 207590400

約数和(自身を除く): 119941880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 115327, 230654, 461308, 576635, 922616, 1153270, 2191213, 2306540, 4382426, 4613080, 8764852, 10956065, 17529704, 21912130, 43824260, 87648520]

約数ペア:

[(1, 87648520), (2, 43824260), (4, 21912130), (5, 17529704), (8, 10956065), (10, 8764852), (19, 4613080), (20, 4382426), (38, 2306540), (40, 2191213), (76, 1153270), (95, 922616), (152, 576635), (190, 461308), (380, 230654), (760, 115327)]