80496050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{18089}}^1$

素因数の和:18190

約数の個数: 24

約数和(自身を含む): 151413300

約数和(自身を除く): 70917250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 18089, 36178, 90445, 180890, 452225, 904450, 1609921, 3219842, 8049605, 16099210, 40248025, 80496050]

約数ペア:

[(1, 80496050), (2, 40248025), (5, 16099210), (10, 8049605), (25, 3219842), (50, 1609921), (89, 904450), (178, 452225), (445, 180890), (890, 90445), (2225, 36178), (4450, 18089)]