138792680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266909}}^1$

素因数の和:266933

約数の個数: 32

約数和(自身を含む): 336306600

約数和(自身を除く): 197513920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 266909, 533818, 1067636, 1334545, 2135272, 2669090, 3469817, 5338180, 6939634, 10676360, 13879268, 17349085, 27758536, 34698170, 69396340, 138792680]

約数ペア:

[(1, 138792680), (2, 69396340), (4, 34698170), (5, 27758536), (8, 17349085), (10, 13879268), (13, 10676360), (20, 6939634), (26, 5338180), (40, 3469817), (52, 2669090), (65, 2135272), (104, 1334545), (130, 1067636), (260, 533818), (520, 266909)]