4144880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 9722592

約数和(自身を除く): 5577712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 263, 394, 526, 788, 985, 1052, 1315, 1576, 1970, 2104, 2630, 3152, 3940, 4208, 5260, 7880, 10520, 15760, 21040, 51811, 103622, 207244, 259055, 414488, 518110, 828976, 1036220, 2072440, 4144880]

約数ペア:

[(1, 4144880), (2, 2072440), (4, 1036220), (5, 828976), (8, 518110), (10, 414488), (16, 259055), (20, 207244), (40, 103622), (80, 51811), (197, 21040), (263, 15760), (394, 10520), (526, 7880), (788, 5260), (985, 4208), (1052, 3940), (1315, 3152), (1576, 2630), (1970, 2104)]