7883930860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{97501}}^1$

素因数の和:97834

約数の個数: 48

約数和(自身を含む): 17887326912

約数和(自身を除く): 10003396052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 3110, 4043, 6220, 8086, 16172, 20215, 40430, 80860, 97501, 195002, 390004, 487505, 975010, 1267513, 1950020, 2535026, 5070052, 6337565, 12675130, 25350260, 30322811, 60645622, 121291244, 151614055, 303228110, 394196543, 606456220, 788393086, 1576786172, 1970982715, 3941965430, 7883930860]

約数ペア:

[(1, 7883930860), (2, 3941965430), (4, 1970982715), (5, 1576786172), (10, 788393086), (13, 606456220), (20, 394196543), (26, 303228110), (52, 151614055), (65, 121291244), (130, 60645622), (260, 30322811), (311, 25350260), (622, 12675130), (1244, 6337565), (1555, 5070052), (3110, 2535026), (4043, 1950020), (6220, 1267513), (8086, 975010), (16172, 487505), (20215, 390004), (40430, 195002), (80860, 97501)]