2072440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 4704480

約数和(自身を除く): 2632040

約数列:

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

約数ペア:

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