85811180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47149}}^1$

素因数の和:47178

約数の個数: 48

約数和(自身を含む): 221793600

約数和(自身を除く): 135982420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 47149, 94298, 188596, 235745, 330043, 471490, 612937, 660086, 942980, 1225874, 1320172, 1650215, 2451748, 3064685, 3300430, 4290559, 6129370, 6600860, 8581118, 12258740, 17162236, 21452795, 42905590, 85811180]

約数ペア:

[(1, 85811180), (2, 42905590), (4, 21452795), (5, 17162236), (7, 12258740), (10, 8581118), (13, 6600860), (14, 6129370), (20, 4290559), (26, 3300430), (28, 3064685), (35, 2451748), (52, 1650215), (65, 1320172), (70, 1225874), (91, 942980), (130, 660086), (140, 612937), (182, 471490), (260, 330043), (364, 235745), (455, 188596), (910, 94298), (1820, 47149)]