31321120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10303}}^1$

素因数の和:10337

約数の個数: 48

約数和(自身を含む): 77898240

約数和(自身を除く): 46577120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10303, 20606, 41212, 51515, 82424, 103030, 164848, 195757, 206060, 329696, 391514, 412120, 783028, 824240, 978785, 1566056, 1648480, 1957570, 3132112, 3915140, 6264224, 7830280, 15660560, 31321120]

約数ペア:

[(1, 31321120), (2, 15660560), (4, 7830280), (5, 6264224), (8, 3915140), (10, 3132112), (16, 1957570), (19, 1648480), (20, 1566056), (32, 978785), (38, 824240), (40, 783028), (76, 412120), (80, 391514), (95, 329696), (152, 206060), (160, 195757), (190, 164848), (304, 103030), (380, 82424), (608, 51515), (760, 41212), (1520, 20606), (3040, 10303)]