87911120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 224396352

約数和(自身を除く): 136485232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 283, 353, 440, 566, 706, 880, 1132, 1412, 1415, 1765, 2264, 2824, 2830, 3113, 3530, 3883, 4528, 5648, 5660, 6226, 7060, 7766, 11320, 12452, 14120, 15532, 15565, 19415, 22640, 24904, 28240, 31064, 31130, 38830, 49808, 62128, 62260, 77660, 99899, 124520, 155320, 199798, 249040, 310640, 399596, 499495, 799192, 998990, 1098889, 1598384, 1997980, 2197778, 3995960, 4395556, 5494445, 7991920, 8791112, 10988890, 17582224, 21977780, 43955560, 87911120]

約数ペア:

[(1, 87911120), (2, 43955560), (4, 21977780), (5, 17582224), (8, 10988890), (10, 8791112), (11, 7991920), (16, 5494445), (20, 4395556), (22, 3995960), (40, 2197778), (44, 1997980), (55, 1598384), (80, 1098889), (88, 998990), (110, 799192), (176, 499495), (220, 399596), (283, 310640), (353, 249040), (440, 199798), (566, 155320), (706, 124520), (880, 99899), (1132, 77660), (1412, 62260), (1415, 62128), (1765, 49808), (2264, 38830), (2824, 31130), (2830, 31064), (3113, 28240), (3530, 24904), (3883, 22640), (4528, 19415), (5648, 15565), (5660, 15532), (6226, 14120), (7060, 12452), (7766, 11320)]