442480

素因数分解:

$2^4\times 5^1\times {\mathrm{5531}}^1$

素因数の和:5544

約数の個数: 20

約数和(自身を含む): 1028952

約数和(自身を除く): 586472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5531, 11062, 22124, 27655, 44248, 55310, 88496, 110620, 221240, 442480]

約数ペア:

[(1, 442480), (2, 221240), (4, 110620), (5, 88496), (8, 55310), (10, 44248), (16, 27655), (20, 22124), (40, 11062), (80, 5531)]