13259740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3923}}^1$

素因数の和:3958

約数の個数: 36

約数和(自身を含む): 30159864

約数和(自身を除く): 16900124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3923, 7846, 15692, 19615, 39230, 50999, 78460, 101998, 203996, 254995, 509990, 662987, 1019980, 1325974, 2651948, 3314935, 6629870, 13259740]

約数ペア:

[(1, 13259740), (2, 6629870), (4, 3314935), (5, 2651948), (10, 1325974), (13, 1019980), (20, 662987), (26, 509990), (52, 254995), (65, 203996), (130, 101998), (169, 78460), (260, 50999), (338, 39230), (676, 19615), (845, 15692), (1690, 7846), (3380, 3923)]