80453720

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4363}}^1$

素因数の和:4835

約数の個数: 32

約数和(自身を含む): 181455120

約数和(自身を除く): 101001400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4363, 4610, 8726, 9220, 17452, 18440, 21815, 34904, 43630, 87260, 174520, 2011343, 4022686, 8045372, 10056715, 16090744, 20113430, 40226860, 80453720]

約数ペア:

[(1, 80453720), (2, 40226860), (4, 20113430), (5, 16090744), (8, 10056715), (10, 8045372), (20, 4022686), (40, 2011343), (461, 174520), (922, 87260), (1844, 43630), (2305, 34904), (3688, 21815), (4363, 18440), (4610, 17452), (8726, 9220)]