41099440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 95976000

約数和(自身を除く): 54876560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 1999, 2056, 2570, 3998, 4112, 5140, 7996, 9995, 10280, 15992, 19990, 20560, 31984, 39980, 79960, 159920, 513743, 1027486, 2054972, 2568715, 4109944, 5137430, 8219888, 10274860, 20549720, 41099440]

約数ペア:

[(1, 41099440), (2, 20549720), (4, 10274860), (5, 8219888), (8, 5137430), (10, 4109944), (16, 2568715), (20, 2054972), (40, 1027486), (80, 513743), (257, 159920), (514, 79960), (1028, 39980), (1285, 31984), (1999, 20560), (2056, 19990), (2570, 15992), (3998, 10280), (4112, 9995), (5140, 7996)]