28145260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{757}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 69911856

約数和(自身を除く): 41766596

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 757, 845, 1430, 1514, 1690, 1859, 2860, 3028, 3380, 3718, 3785, 7436, 7570, 8327, 9295, 9841, 15140, 16654, 18590, 19682, 33308, 37180, 39364, 41635, 49205, 83270, 98410, 108251, 127933, 166540, 196820, 216502, 255866, 433004, 511732, 541255, 639665, 1082510, 1279330, 1407263, 2165020, 2558660, 2814526, 5629052, 7036315, 14072630, 28145260]

約数ペア:

[(1, 28145260), (2, 14072630), (4, 7036315), (5, 5629052), (10, 2814526), (11, 2558660), (13, 2165020), (20, 1407263), (22, 1279330), (26, 1082510), (44, 639665), (52, 541255), (55, 511732), (65, 433004), (110, 255866), (130, 216502), (143, 196820), (169, 166540), (220, 127933), (260, 108251), (286, 98410), (338, 83270), (572, 49205), (676, 41635), (715, 39364), (757, 37180), (845, 33308), (1430, 19682), (1514, 18590), (1690, 16654), (1859, 15140), (2860, 9841), (3028, 9295), (3380, 8327), (3718, 7570), (3785, 7436)]