2000774875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 2854785024

約数和(自身を除く): 854010149

約数列:

[1, 5, 11, 25, 31, 55, 73, 125, 155, 275, 341, 365, 643, 775, 803, 1375, 1705, 1825, 2263, 3215, 3875, 4015, 7073, 8525, 9125, 11315, 16075, 19933, 20075, 24893, 35365, 42625, 46939, 56575, 80375, 99665, 100375, 124465, 176825, 219263, 234695, 282875, 498325, 516329, 622325, 884125, 1096315, 1173475, 1455109, 2491625, 2581645, 3111625, 5481575, 5867375, 7275545, 12908225, 16006199, 27407875, 36377725, 64541125, 80030995, 181888625, 400154975, 2000774875]

約数ペア:

[(1, 2000774875), (5, 400154975), (11, 181888625), (25, 80030995), (31, 64541125), (55, 36377725), (73, 27407875), (125, 16006199), (155, 12908225), (275, 7275545), (341, 5867375), (365, 5481575), (643, 3111625), (775, 2581645), (803, 2491625), (1375, 1455109), (1705, 1173475), (1825, 1096315), (2263, 884125), (3215, 622325), (3875, 516329), (4015, 498325), (7073, 282875), (8525, 234695), (9125, 219263), (11315, 176825), (16075, 124465), (19933, 100375), (20075, 99665), (24893, 80375), (35365, 56575), (42625, 46939)]