39649240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 54906920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 607, 710, 920, 1214, 1420, 1633, 2428, 2840, 3035, 3266, 4856, 6070, 6532, 8165, 12140, 13064, 13961, 16330, 24280, 27922, 32660, 43097, 55844, 65320, 69805, 86194, 111688, 139610, 172388, 215485, 279220, 344776, 430970, 558440, 861940, 991231, 1723880, 1982462, 3964924, 4956155, 7929848, 9912310, 19824620, 39649240]

約数ペア:

[(1, 39649240), (2, 19824620), (4, 9912310), (5, 7929848), (8, 4956155), (10, 3964924), (20, 1982462), (23, 1723880), (40, 991231), (46, 861940), (71, 558440), (92, 430970), (115, 344776), (142, 279220), (184, 215485), (230, 172388), (284, 139610), (355, 111688), (460, 86194), (568, 69805), (607, 65320), (710, 55844), (920, 43097), (1214, 32660), (1420, 27922), (1633, 24280), (2428, 16330), (2840, 13961), (3035, 13064), (3266, 12140), (4856, 8165), (6070, 6532)]