84886019720

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2172109}}^1$

素因数の和:2173097

約数の個数: 32

約数和(自身を含む): 191189122200

約数和(自身を除く): 106303102480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 2172109, 4344218, 8688436, 10860545, 17376872, 21721090, 43442180, 86884360, 2122150493, 4244300986, 8488601972, 10610752465, 16977203944, 21221504930, 42443009860, 84886019720]

約数ペア:

[(1, 84886019720), (2, 42443009860), (4, 21221504930), (5, 16977203944), (8, 10610752465), (10, 8488601972), (20, 4244300986), (40, 2122150493), (977, 86884360), (1954, 43442180), (3908, 21721090), (4885, 17376872), (7816, 10860545), (9770, 8688436), (19540, 4344218), (39080, 2172109)]