13472680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 32841180

約数和(自身を除く): 19368500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1993, 3380, 3986, 6760, 7972, 9965, 15944, 19930, 25909, 39860, 51818, 79720, 103636, 129545, 207272, 259090, 336817, 518180, 673634, 1036360, 1347268, 1684085, 2694536, 3368170, 6736340, 13472680]

約数ペア:

[(1, 13472680), (2, 6736340), (4, 3368170), (5, 2694536), (8, 1684085), (10, 1347268), (13, 1036360), (20, 673634), (26, 518180), (40, 336817), (52, 259090), (65, 207272), (104, 129545), (130, 103636), (169, 79720), (260, 51818), (338, 39860), (520, 25909), (676, 19930), (845, 15944), (1352, 9965), (1690, 7972), (1993, 6760), (3380, 3986)]