65018120

素因数分解:

$2^3\times 5^1\times {\mathrm{1625453}}^1$

素因数の和:1625464

約数の個数: 16

約数和(自身を含む): 146290860

約数和(自身を除く): 81272740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1625453, 3250906, 6501812, 8127265, 13003624, 16254530, 32509060, 65018120]

約数ペア:

[(1, 65018120), (2, 32509060), (4, 16254530), (5, 13003624), (8, 8127265), (10, 6501812), (20, 3250906), (40, 1625453)]