86510000

素因数分解:

$2^4\times 5^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 100

約数和(自身を含む): 215574744

約数和(自身を除く): 129064744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 211, 250, 328, 400, 410, 422, 500, 625, 656, 820, 844, 1000, 1025, 1055, 1250, 1640, 1688, 2000, 2050, 2110, 2500, 3280, 3376, 4100, 4220, 5000, 5125, 5275, 8200, 8440, 8651, 10000, 10250, 10550, 16400, 16880, 17302, 20500, 21100, 25625, 26375, 34604, 41000, 42200, 43255, 51250, 52750, 69208, 82000, 84400, 86510, 102500, 105500, 131875, 138416, 173020, 205000, 211000, 216275, 263750, 346040, 410000, 422000, 432550, 527500, 692080, 865100, 1055000, 1081375, 1730200, 2110000, 2162750, 3460400, 4325500, 5406875, 8651000, 10813750, 17302000, 21627500, 43255000, 86510000]

約数ペア:

[(1, 86510000), (2, 43255000), (4, 21627500), (5, 17302000), (8, 10813750), (10, 8651000), (16, 5406875), (20, 4325500), (25, 3460400), (40, 2162750), (41, 2110000), (50, 1730200), (80, 1081375), (82, 1055000), (100, 865100), (125, 692080), (164, 527500), (200, 432550), (205, 422000), (211, 410000), (250, 346040), (328, 263750), (400, 216275), (410, 211000), (422, 205000), (500, 173020), (625, 138416), (656, 131875), (820, 105500), (844, 102500), (1000, 86510), (1025, 84400), (1055, 82000), (1250, 69208), (1640, 52750), (1688, 51250), (2000, 43255), (2050, 42200), (2110, 41000), (2500, 34604), (3280, 26375), (3376, 25625), (4100, 21100), (4220, 20500), (5000, 17302), (5125, 16880), (5275, 16400), (8200, 10550), (8440, 10250), (8651, 10000)]