401080528

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{80603}}^1$

素因数の和:80922

約数の個数: 20

約数和(自身を含む): 779601888

約数和(自身を除く): 378521360

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 80603, 161206, 322412, 644824, 1289648, 25067533, 50135066, 100270132, 200540264, 401080528]

約数ペア:

[(1, 401080528), (2, 200540264), (4, 100270132), (8, 50135066), (16, 25067533), (311, 1289648), (622, 644824), (1244, 322412), (2488, 161206), (4976, 80603)]