219803240

素因数分解:

$2^3\times 5^1\times {\mathrm{5495081}}^1$

素因数の和:5495092

約数の個数: 16

約数和(自身を含む): 494557380

約数和(自身を除く): 274754140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5495081, 10990162, 21980324, 27475405, 43960648, 54950810, 109901620, 219803240]

約数ペア:

[(1, 219803240), (2, 109901620), (4, 54950810), (5, 43960648), (8, 27475405), (10, 21980324), (20, 10990162), (40, 5495081)]