78601900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{4651}}^1$

素因数の和:4691

約数の個数: 54

約数和(自身を含む): 184735572

約数和(自身を除く): 106133672

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, 4651, 8450, 9302, 16900, 18604, 23255, 46510, 60463, 93020, 116275, 120926, 232550, 241852, 302315, 465100, 604630, 786019, 1209260, 1511575, 1572038, 3023150, 3144076, 3930095, 6046300, 7860190, 15720380, 19650475, 39300950, 78601900]

約数ペア:

[(1, 78601900), (2, 39300950), (4, 19650475), (5, 15720380), (10, 7860190), (13, 6046300), (20, 3930095), (25, 3144076), (26, 3023150), (50, 1572038), (52, 1511575), (65, 1209260), (100, 786019), (130, 604630), (169, 465100), (260, 302315), (325, 241852), (338, 232550), (650, 120926), (676, 116275), (845, 93020), (1300, 60463), (1690, 46510), (3380, 23255), (4225, 18604), (4651, 16900), (8450, 9302)]