16285840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 40497408

約数和(自身を除く): 24211568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 167, 184, 212, 230, 265, 334, 368, 424, 460, 530, 668, 835, 848, 920, 1060, 1219, 1336, 1670, 1840, 2120, 2438, 2672, 3340, 3841, 4240, 4876, 6095, 6680, 7682, 8851, 9752, 12190, 13360, 15364, 17702, 19205, 19504, 24380, 30728, 35404, 38410, 44255, 48760, 61456, 70808, 76820, 88510, 97520, 141616, 153640, 177020, 203573, 307280, 354040, 407146, 708080, 814292, 1017865, 1628584, 2035730, 3257168, 4071460, 8142920, 16285840]

約数ペア:

[(1, 16285840), (2, 8142920), (4, 4071460), (5, 3257168), (8, 2035730), (10, 1628584), (16, 1017865), (20, 814292), (23, 708080), (40, 407146), (46, 354040), (53, 307280), (80, 203573), (92, 177020), (106, 153640), (115, 141616), (167, 97520), (184, 88510), (212, 76820), (230, 70808), (265, 61456), (334, 48760), (368, 44255), (424, 38410), (460, 35404), (530, 30728), (668, 24380), (835, 19504), (848, 19205), (920, 17702), (1060, 15364), (1219, 13360), (1336, 12190), (1670, 9752), (1840, 8851), (2120, 7682), (2438, 6680), (2672, 6095), (3340, 4876), (3841, 4240)]