406115440

素因数分解:

$2^4\times 5^1\times {\mathrm{5076443}}^1$

素因数の和:5076456

約数の個数: 20

約数和(自身を含む): 944218584

約数和(自身を除く): 538103144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5076443, 10152886, 20305772, 25382215, 40611544, 50764430, 81223088, 101528860, 203057720, 406115440]

約数ペア:

[(1, 406115440), (2, 203057720), (4, 101528860), (5, 81223088), (8, 50764430), (10, 40611544), (16, 25382215), (20, 20305772), (40, 10152886), (80, 5076443)]