78804700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{4663}}^1$

素因数の和:4703

約数の個数: 54

約数和(自身を含む): 185212104

約数和(自身を除く): 106407404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 4663, 8450, 9326, 16900, 18652, 23315, 46630, 60619, 93260, 116575, 121238, 233150, 242476, 303095, 466300, 606190, 788047, 1212380, 1515475, 1576094, 3030950, 3152188, 3940235, 6061900, 7880470, 15760940, 19701175, 39402350, 78804700]

約数ペア:

[(1, 78804700), (2, 39402350), (4, 19701175), (5, 15760940), (10, 7880470), (13, 6061900), (20, 3940235), (25, 3152188), (26, 3030950), (50, 1576094), (52, 1515475), (65, 1212380), (100, 788047), (130, 606190), (169, 466300), (260, 303095), (325, 242476), (338, 233150), (650, 121238), (676, 116575), (845, 93260), (1300, 60619), (1690, 46630), (3380, 23315), (4225, 18652), (4663, 16900), (8450, 9326)]