16285220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 39553920

約数和(自身を除く): 23268700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1307, 1780, 2492, 2614, 3115, 5228, 6230, 6535, 9149, 12460, 13070, 18298, 26140, 36596, 45745, 91490, 116323, 182980, 232646, 465292, 581615, 814261, 1163230, 1628522, 2326460, 3257044, 4071305, 8142610, 16285220]

約数ペア:

[(1, 16285220), (2, 8142610), (4, 4071305), (5, 3257044), (7, 2326460), (10, 1628522), (14, 1163230), (20, 814261), (28, 581615), (35, 465292), (70, 232646), (89, 182980), (140, 116323), (178, 91490), (356, 45745), (445, 36596), (623, 26140), (890, 18298), (1246, 13070), (1307, 12460), (1780, 9149), (2492, 6535), (2614, 6230), (3115, 5228)]