31102880

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 73823400

約数和(自身を除く): 42720520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 557, 698, 1114, 1396, 1745, 2228, 2785, 2792, 3490, 4456, 5570, 5584, 6980, 8912, 11140, 11168, 13960, 17824, 22280, 27920, 44560, 55840, 89120, 194393, 388786, 777572, 971965, 1555144, 1943930, 3110288, 3887860, 6220576, 7775720, 15551440, 31102880]

約数ペア:

[(1, 31102880), (2, 15551440), (4, 7775720), (5, 6220576), (8, 3887860), (10, 3110288), (16, 1943930), (20, 1555144), (32, 971965), (40, 777572), (80, 388786), (160, 194393), (349, 89120), (557, 55840), (698, 44560), (1114, 27920), (1396, 22280), (1745, 17824), (2228, 13960), (2785, 11168), (2792, 11140), (3490, 8912), (4456, 6980), (5570, 5584)]