81007450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 160971840

約数和(自身を除く): 79964390

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 475, 710, 950, 1201, 1349, 1775, 2402, 2698, 3550, 6005, 6745, 12010, 13490, 22819, 30025, 33725, 45638, 60050, 67450, 85271, 114095, 170542, 228190, 426355, 570475, 852710, 1140950, 1620149, 2131775, 3240298, 4263550, 8100745, 16201490, 40503725, 81007450]

約数ペア:

[(1, 81007450), (2, 40503725), (5, 16201490), (10, 8100745), (19, 4263550), (25, 3240298), (38, 2131775), (50, 1620149), (71, 1140950), (95, 852710), (142, 570475), (190, 426355), (355, 228190), (475, 170542), (710, 114095), (950, 85271), (1201, 67450), (1349, 60050), (1775, 45638), (2402, 33725), (2698, 30025), (3550, 22819), (6005, 13490), (6745, 12010)]