80998480

素因数分解:

$2^4\times 5^1\times {\mathrm{1012481}}^1$

素因数の和:1012494

約数の個数: 20

約数和(自身を含む): 188321652

約数和(自身を除く): 107323172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1012481, 2024962, 4049924, 5062405, 8099848, 10124810, 16199696, 20249620, 40499240, 80998480]

約数ペア:

[(1, 80998480), (2, 40499240), (4, 20249620), (5, 16199696), (8, 10124810), (10, 8099848), (16, 5062405), (20, 4049924), (40, 2024962), (80, 1012481)]