1640694590

素因数分解:

$2^1\times 5^1\times {\mathrm{8317}}^1\times {\mathrm{19727}}^1$

素因数の和:28051

約数の個数: 16

約数和(自身を含む): 2953755072

約数和(自身を除く): 1313060482

約数列:

[1, 2, 5, 10, 8317, 16634, 19727, 39454, 41585, 83170, 98635, 197270, 164069459, 328138918, 820347295, 1640694590]

約数ペア:

[(1, 1640694590), (2, 820347295), (5, 328138918), (10, 164069459), (8317, 197270), (16634, 98635), (19727, 83170), (39454, 41585)]