128632880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94583}}^1$

素因数の和:94613

約数の個数: 40

約数和(自身を含む): 316667232

約数和(自身を除く): 188034352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 94583, 189166, 378332, 472915, 756664, 945830, 1513328, 1607911, 1891660, 3215822, 3783320, 6431644, 7566640, 8039555, 12863288, 16079110, 25726576, 32158220, 64316440, 128632880]

約数ペア:

[(1, 128632880), (2, 64316440), (4, 32158220), (5, 25726576), (8, 16079110), (10, 12863288), (16, 8039555), (17, 7566640), (20, 6431644), (34, 3783320), (40, 3215822), (68, 1891660), (80, 1607911), (85, 1513328), (136, 945830), (170, 756664), (272, 472915), (340, 378332), (680, 189166), (1360, 94583)]