8642600

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 20385600

約数和(自身を除く): 11743000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 547, 632, 790, 1094, 1580, 1975, 2188, 2735, 3160, 3950, 4376, 5470, 7900, 10940, 13675, 15800, 21880, 27350, 43213, 54700, 86426, 109400, 172852, 216065, 345704, 432130, 864260, 1080325, 1728520, 2160650, 4321300, 8642600]

約数ペア:

[(1, 8642600), (2, 4321300), (4, 2160650), (5, 1728520), (8, 1080325), (10, 864260), (20, 432130), (25, 345704), (40, 216065), (50, 172852), (79, 109400), (100, 86426), (158, 54700), (200, 43213), (316, 27350), (395, 21880), (547, 15800), (632, 13675), (790, 10940), (1094, 7900), (1580, 5470), (1975, 4376), (2188, 3950), (2735, 3160)]