39997040

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 93395808

約数和(自身を除く): 53398768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1901, 2104, 2630, 3802, 4208, 5260, 7604, 9505, 10520, 15208, 19010, 21040, 30416, 38020, 76040, 152080, 499963, 999926, 1999852, 2499815, 3999704, 4999630, 7999408, 9999260, 19998520, 39997040]

約数ペア:

[(1, 39997040), (2, 19998520), (4, 9999260), (5, 7999408), (8, 4999630), (10, 3999704), (16, 2499815), (20, 1999852), (40, 999926), (80, 499963), (263, 152080), (526, 76040), (1052, 38020), (1315, 30416), (1901, 21040), (2104, 19010), (2630, 15208), (3802, 10520), (4208, 9505), (5260, 7604)]