2000795875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 3079544832

約数和(自身を除く): 1078748957

約数列:

[1, 5, 13, 17, 23, 25, 47, 65, 67, 85, 115, 125, 221, 235, 299, 325, 335, 391, 425, 575, 611, 799, 871, 1081, 1105, 1139, 1175, 1495, 1541, 1625, 1675, 1955, 2125, 2875, 3055, 3149, 3995, 4355, 5083, 5405, 5525, 5695, 5875, 7475, 7705, 8375, 9775, 10387, 14053, 14807, 15275, 15745, 18377, 19975, 20033, 21775, 25415, 26197, 27025, 27625, 28475, 37375, 38525, 40937, 48875, 51935, 53533, 70265, 72427, 74035, 76375, 78725, 91885, 99875, 100165, 108875, 127075, 130985, 135125, 142375, 192625, 204685, 238901, 259675, 267665, 340561, 351325, 362135, 370175, 393625, 459425, 500825, 635375, 654925, 695929, 941551, 1023425, 1194505, 1231259, 1298375, 1338325, 1702805, 1756625, 1810675, 1850875, 2297125, 2504125, 3274625, 3479645, 4707755, 5117125, 5972525, 6156295, 6691625, 8514025, 9053375, 16006367, 17398225, 23538775, 29862625, 30781475, 42570125, 80031835, 86991125, 117693875, 153907375, 400159175, 2000795875]

約数ペア:

[(1, 2000795875), (5, 400159175), (13, 153907375), (17, 117693875), (23, 86991125), (25, 80031835), (47, 42570125), (65, 30781475), (67, 29862625), (85, 23538775), (115, 17398225), (125, 16006367), (221, 9053375), (235, 8514025), (299, 6691625), (325, 6156295), (335, 5972525), (391, 5117125), (425, 4707755), (575, 3479645), (611, 3274625), (799, 2504125), (871, 2297125), (1081, 1850875), (1105, 1810675), (1139, 1756625), (1175, 1702805), (1495, 1338325), (1541, 1298375), (1625, 1231259), (1675, 1194505), (1955, 1023425), (2125, 941551), (2875, 695929), (3055, 654925), (3149, 635375), (3995, 500825), (4355, 459425), (5083, 393625), (5405, 370175), (5525, 362135), (5695, 351325), (5875, 340561), (7475, 267665), (7705, 259675), (8375, 238901), (9775, 204685), (10387, 192625), (14053, 142375), (14807, 135125), (15275, 130985), (15745, 127075), (18377, 108875), (19975, 100165), (20033, 99875), (21775, 91885), (25415, 78725), (26197, 76375), (27025, 74035), (27625, 72427), (28475, 70265), (37375, 53533), (38525, 51935), (40937, 48875)]