1295680

素因数分解:

$2^6\times 5^1\times {\mathrm{4049}}^1$

素因数の和:4066

約数の個数: 28

約数和(自身を含む): 3086100

約数和(自身を除く): 1790420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4049, 8098, 16196, 20245, 32392, 40490, 64784, 80980, 129568, 161960, 259136, 323920, 647840, 1295680]

約数ペア:

[(1, 1295680), (2, 647840), (4, 323920), (5, 259136), (8, 161960), (10, 129568), (16, 80980), (20, 64784), (32, 40490), (40, 32392), (64, 20245), (80, 16196), (160, 8098), (320, 4049)]