39747140

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3221}}^1$

素因数の和:3847

約数の個数: 24

約数和(自身を含む): 83630232

約数和(自身を除く): 43883092

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 3221, 6170, 6442, 12340, 12884, 16105, 32210, 64420, 1987357, 3974714, 7949428, 9936785, 19873570, 39747140]

約数ペア:

[(1, 39747140), (2, 19873570), (4, 9936785), (5, 7949428), (10, 3974714), (20, 1987357), (617, 64420), (1234, 32210), (2468, 16105), (3085, 12884), (3221, 12340), (6170, 6442)]