66069040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20143}}^1$

素因数の和:20197

約数の個数: 40

約数和(自身を含む): 157364928

約数和(自身を除く): 91295888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20143, 40286, 80572, 100715, 161144, 201430, 322288, 402860, 805720, 825863, 1611440, 1651726, 3303452, 4129315, 6606904, 8258630, 13213808, 16517260, 33034520, 66069040]

約数ペア:

[(1, 66069040), (2, 33034520), (4, 16517260), (5, 13213808), (8, 8258630), (10, 6606904), (16, 4129315), (20, 3303452), (40, 1651726), (41, 1611440), (80, 825863), (82, 805720), (164, 402860), (205, 322288), (328, 201430), (410, 161144), (656, 100715), (820, 80572), (1640, 40286), (3280, 20143)]