85107080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 203558400

約数和(自身を除く): 118451320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 991, 1130, 1982, 2147, 2260, 3964, 4294, 4520, 4955, 7928, 8588, 9910, 10735, 17176, 18829, 19820, 21470, 37658, 39640, 42940, 75316, 85880, 94145, 111983, 150632, 188290, 223966, 376580, 447932, 559915, 753160, 895864, 1119830, 2127677, 2239660, 4255354, 4479320, 8510708, 10638385, 17021416, 21276770, 42553540, 85107080]

約数ペア:

[(1, 85107080), (2, 42553540), (4, 21276770), (5, 17021416), (8, 10638385), (10, 8510708), (19, 4479320), (20, 4255354), (38, 2239660), (40, 2127677), (76, 1119830), (95, 895864), (113, 753160), (152, 559915), (190, 447932), (226, 376580), (380, 223966), (452, 188290), (565, 150632), (760, 111983), (904, 94145), (991, 85880), (1130, 75316), (1982, 42940), (2147, 39640), (2260, 37658), (3964, 21470), (4294, 19820), (4520, 18829), (4955, 17176), (7928, 10735), (8588, 9910)]