128633200

素因数分解:

$2^4\times 5^2\times {\mathrm{353}}^1\times {\mathrm{911}}^1$

素因数の和:1282

約数の個数: 60

約数和(自身を含む): 310256928

約数和(自身を除く): 181623728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 353, 400, 706, 911, 1412, 1765, 1822, 2824, 3530, 3644, 4555, 5648, 7060, 7288, 8825, 9110, 14120, 14576, 17650, 18220, 22775, 28240, 35300, 36440, 45550, 70600, 72880, 91100, 141200, 182200, 321583, 364400, 643166, 1286332, 1607915, 2572664, 3215830, 5145328, 6431660, 8039575, 12863320, 16079150, 25726640, 32158300, 64316600, 128633200]

約数ペア:

[(1, 128633200), (2, 64316600), (4, 32158300), (5, 25726640), (8, 16079150), (10, 12863320), (16, 8039575), (20, 6431660), (25, 5145328), (40, 3215830), (50, 2572664), (80, 1607915), (100, 1286332), (200, 643166), (353, 364400), (400, 321583), (706, 182200), (911, 141200), (1412, 91100), (1765, 72880), (1822, 70600), (2824, 45550), (3530, 36440), (3644, 35300), (4555, 28240), (5648, 22775), (7060, 18220), (7288, 17650), (8825, 14576), (9110, 14120)]