80844740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{24799}}^1$

素因数の和:24971

約数の個数: 24

約数和(自身を含む): 170822400

約数和(自身を除く): 89977660

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 24799, 49598, 99196, 123995, 247990, 495980, 4042237, 8084474, 16168948, 20211185, 40422370, 80844740]

約数ペア:

[(1, 80844740), (2, 40422370), (4, 20211185), (5, 16168948), (10, 8084474), (20, 4042237), (163, 495980), (326, 247990), (652, 123995), (815, 99196), (1630, 49598), (3260, 24799)]