87790240

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1753}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 208185768

約数和(自身を除く): 120395528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 1753, 2504, 3130, 3506, 5008, 6260, 7012, 8765, 10016, 12520, 14024, 17530, 25040, 28048, 35060, 50080, 56096, 70120, 140240, 280480, 548689, 1097378, 2194756, 2743445, 4389512, 5486890, 8779024, 10973780, 17558048, 21947560, 43895120, 87790240]

約数ペア:

[(1, 87790240), (2, 43895120), (4, 21947560), (5, 17558048), (8, 10973780), (10, 8779024), (16, 5486890), (20, 4389512), (32, 2743445), (40, 2194756), (80, 1097378), (160, 548689), (313, 280480), (626, 140240), (1252, 70120), (1565, 56096), (1753, 50080), (2504, 35060), (3130, 28048), (3506, 25040), (5008, 17530), (6260, 14024), (7012, 12520), (8765, 10016)]