20161330240

素因数分解:

$2^6\times 5^1\times {\mathrm{811}}^1\times {\mathrm{77687}}^1$

素因数の和:78515

約数の個数: 56

約数和(自身を含む): 48068983872

約数和(自身を除く): 27907653632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 811, 1622, 3244, 4055, 6488, 8110, 12976, 16220, 25952, 32440, 51904, 64880, 77687, 129760, 155374, 259520, 310748, 388435, 621496, 776870, 1242992, 1553740, 2485984, 3107480, 4971968, 6214960, 12429920, 24859840, 63004157, 126008314, 252016628, 315020785, 504033256, 630041570, 1008066512, 1260083140, 2016133024, 2520166280, 4032266048, 5040332560, 10080665120, 20161330240]

約数ペア:

[(1, 20161330240), (2, 10080665120), (4, 5040332560), (5, 4032266048), (8, 2520166280), (10, 2016133024), (16, 1260083140), (20, 1008066512), (32, 630041570), (40, 504033256), (64, 315020785), (80, 252016628), (160, 126008314), (320, 63004157), (811, 24859840), (1622, 12429920), (3244, 6214960), (4055, 4971968), (6488, 3107480), (8110, 2485984), (12976, 1553740), (16220, 1242992), (25952, 776870), (32440, 621496), (51904, 388435), (64880, 310748), (77687, 259520), (129760, 155374)]