71619880

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6607}}^1$

素因数の和:6889

約数の個数: 32

約数和(自身を含む): 161763840

約数和(自身を除く): 90143960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6607, 10840, 13214, 26428, 33035, 52856, 66070, 132140, 264280, 1790497, 3580994, 7161988, 8952485, 14323976, 17904970, 35809940, 71619880]

約数ペア:

[(1, 71619880), (2, 35809940), (4, 17904970), (5, 14323976), (8, 8952485), (10, 7161988), (20, 3580994), (40, 1790497), (271, 264280), (542, 132140), (1084, 66070), (1355, 52856), (2168, 33035), (2710, 26428), (5420, 13214), (6607, 10840)]