13230440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{937}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 29884680

約数和(自身を除く): 16654240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 937, 1412, 1765, 1874, 2824, 3530, 3748, 4685, 7060, 7496, 9370, 14120, 18740, 37480, 330761, 661522, 1323044, 1653805, 2646088, 3307610, 6615220, 13230440]

約数ペア:

[(1, 13230440), (2, 6615220), (4, 3307610), (5, 2646088), (8, 1653805), (10, 1323044), (20, 661522), (40, 330761), (353, 37480), (706, 18740), (937, 14120), (1412, 9370), (1765, 7496), (1874, 7060), (2824, 4685), (3530, 3748)]