39970970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 77792400

約数和(自身を除く): 37821430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 881, 1745, 1762, 3490, 4405, 4537, 8810, 9074, 11453, 22685, 22906, 45370, 57265, 114530, 307469, 614938, 1537345, 3074690, 3997097, 7994194, 19985485, 39970970]

約数ペア:

[(1, 39970970), (2, 19985485), (5, 7994194), (10, 3997097), (13, 3074690), (26, 1537345), (65, 614938), (130, 307469), (349, 114530), (698, 57265), (881, 45370), (1745, 22906), (1762, 22685), (3490, 11453), (4405, 9074), (4537, 8810)]