405458420

素因数分解:

$2^2\times 5^1\times {\mathrm{2677}}^1\times {\mathrm{7573}}^1$

素因数の和:10259

約数の個数: 24

約数和(自身を含む): 851893224

約数和(自身を除く): 446434804

約数列:

[1, 2, 4, 5, 10, 20, 2677, 5354, 7573, 10708, 13385, 15146, 26770, 30292, 37865, 53540, 75730, 151460, 20272921, 40545842, 81091684, 101364605, 202729210, 405458420]

約数ペア:

[(1, 405458420), (2, 202729210), (4, 101364605), (5, 81091684), (10, 40545842), (20, 20272921), (2677, 151460), (5354, 75730), (7573, 53540), (10708, 37865), (13385, 30292), (15146, 26770)]