868071880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{128413}}^1$

素因数の和:128450

約数の個数: 48

約数和(自身を含む): 2114978580

約数和(自身を除く): 1246906700

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, 3380, 6760, 128413, 256826, 513652, 642065, 1027304, 1284130, 1669369, 2568260, 3338738, 5136520, 6677476, 8346845, 13354952, 16693690, 21701797, 33387380, 43403594, 66774760, 86807188, 108508985, 173614376, 217017970, 434035940, 868071880]

約数ペア:

[(1, 868071880), (2, 434035940), (4, 217017970), (5, 173614376), (8, 108508985), (10, 86807188), (13, 66774760), (20, 43403594), (26, 33387380), (40, 21701797), (52, 16693690), (65, 13354952), (104, 8346845), (130, 6677476), (169, 5136520), (260, 3338738), (338, 2568260), (520, 1669369), (676, 1284130), (845, 1027304), (1352, 642065), (1690, 513652), (3380, 256826), (6760, 128413)]