28638384125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3881}}^1$

素因数の和:4167

約数の個数: 64

約数和(自身を含む): 40695782400

約数和(自身を除く): 12057398275

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 239, 247, 325, 475, 1195, 1235, 1625, 2375, 3107, 3881, 4541, 5975, 6175, 15535, 19405, 22705, 29875, 30875, 50453, 59033, 73739, 77675, 97025, 113525, 252265, 295165, 368695, 388375, 485125, 567625, 927559, 958607, 1261325, 1475825, 1843475, 4637795, 4793035, 6306625, 7379125, 9217375, 12058267, 17623621, 23188975, 23965175, 60291335, 88118105, 115944875, 119825875, 229107073, 301456675, 440590525, 1145535365, 1507283375, 2202952625, 5727676825, 28638384125]

約数ペア:

[(1, 28638384125), (5, 5727676825), (13, 2202952625), (19, 1507283375), (25, 1145535365), (65, 440590525), (95, 301456675), (125, 229107073), (239, 119825875), (247, 115944875), (325, 88118105), (475, 60291335), (1195, 23965175), (1235, 23188975), (1625, 17623621), (2375, 12058267), (3107, 9217375), (3881, 7379125), (4541, 6306625), (5975, 4793035), (6175, 4637795), (15535, 1843475), (19405, 1475825), (22705, 1261325), (29875, 958607), (30875, 927559), (50453, 567625), (59033, 485125), (73739, 388375), (77675, 368695), (97025, 295165), (113525, 252265)]