80040496

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{8761}}^1$

素因数の和:9340

約数の個数: 20

約数和(自身を含む): 155367784

約数和(自身を除く): 75327288

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 8761, 9136, 17522, 35044, 70088, 140176, 5002531, 10005062, 20010124, 40020248, 80040496]

約数ペア:

[(1, 80040496), (2, 40020248), (4, 20010124), (8, 10005062), (16, 5002531), (571, 140176), (1142, 70088), (2284, 35044), (4568, 17522), (8761, 9136)]