80456380

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{9601}}^1$

素因数の和:10029

約数の個数: 24

約数和(自身を含む): 169379280

約数和(自身を除く): 88922900

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 9601, 19202, 38404, 48005, 96010, 192020, 4022819, 8045638, 16091276, 20114095, 40228190, 80456380]

約数ペア:

[(1, 80456380), (2, 40228190), (4, 20114095), (5, 16091276), (10, 8045638), (20, 4022819), (419, 192020), (838, 96010), (1676, 48005), (2095, 38404), (4190, 19202), (8380, 9601)]