39018680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3709}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 88149600

約数和(自身を除く): 49130920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 3709, 5260, 7418, 10520, 14836, 18545, 29672, 37090, 74180, 148360, 975467, 1950934, 3901868, 4877335, 7803736, 9754670, 19509340, 39018680]

約数ペア:

[(1, 39018680), (2, 19509340), (4, 9754670), (5, 7803736), (8, 4877335), (10, 3901868), (20, 1950934), (40, 975467), (263, 148360), (526, 74180), (1052, 37090), (1315, 29672), (2104, 18545), (2630, 14836), (3709, 10520), (5260, 7418)]