8142920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 11452600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 167, 184, 212, 230, 265, 334, 424, 460, 530, 668, 835, 920, 1060, 1219, 1336, 1670, 2120, 2438, 3340, 3841, 4876, 6095, 6680, 7682, 8851, 9752, 12190, 15364, 17702, 19205, 24380, 30728, 35404, 38410, 44255, 48760, 70808, 76820, 88510, 153640, 177020, 203573, 354040, 407146, 814292, 1017865, 1628584, 2035730, 4071460, 8142920]

約数ペア:

[(1, 8142920), (2, 4071460), (4, 2035730), (5, 1628584), (8, 1017865), (10, 814292), (20, 407146), (23, 354040), (40, 203573), (46, 177020), (53, 153640), (92, 88510), (106, 76820), (115, 70808), (167, 48760), (184, 44255), (212, 38410), (230, 35404), (265, 30728), (334, 24380), (424, 19205), (460, 17702), (530, 15364), (668, 12190), (835, 9752), (920, 8851), (1060, 7682), (1219, 6680), (1336, 6095), (1670, 4876), (2120, 3841), (2438, 3340)]