80400688

素因数分解:

$2^4\times {\mathrm{2203}}^1\times {\mathrm{2281}}^1$

素因数の和:4492

約数の個数: 20

約数和(自身を含む): 155915368

約数和(自身を除く): 75514680

約数列:

[1, 2, 4, 8, 16, 2203, 2281, 4406, 4562, 8812, 9124, 17624, 18248, 35248, 36496, 5025043, 10050086, 20100172, 40200344, 80400688]

約数ペア:

[(1, 80400688), (2, 40200344), (4, 20100172), (8, 10050086), (16, 5025043), (2203, 36496), (2281, 35248), (4406, 18248), (4562, 17624), (8812, 9124)]