25026320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28439}}^1$

素因数の和:28463

約数の個数: 40

約数和(自身を含む): 63478080

約数和(自身を除く): 38451760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28439, 56878, 113756, 142195, 227512, 284390, 312829, 455024, 568780, 625658, 1137560, 1251316, 1564145, 2275120, 2502632, 3128290, 5005264, 6256580, 12513160, 25026320]

約数ペア:

[(1, 25026320), (2, 12513160), (4, 6256580), (5, 5005264), (8, 3128290), (10, 2502632), (11, 2275120), (16, 1564145), (20, 1251316), (22, 1137560), (40, 625658), (44, 568780), (55, 455024), (80, 312829), (88, 284390), (110, 227512), (176, 142195), (220, 113756), (440, 56878), (880, 28439)]