80206360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154243}}^1$

素因数の和:154267

約数の個数: 32

約数和(自身を含む): 194347440

約数和(自身を除く): 114141080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154243, 308486, 616972, 771215, 1233944, 1542430, 2005159, 3084860, 4010318, 6169720, 8020636, 10025795, 16041272, 20051590, 40103180, 80206360]

約数ペア:

[(1, 80206360), (2, 40103180), (4, 20051590), (5, 16041272), (8, 10025795), (10, 8020636), (13, 6169720), (20, 4010318), (26, 3084860), (40, 2005159), (52, 1542430), (65, 1233944), (104, 771215), (130, 616972), (260, 308486), (520, 154243)]