831036700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{639259}}^1$

素因数の和:639286

約数の個数: 36

約数和(自身を含む): 1942071880

約数和(自身を除く): 1111035180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 639259, 1278518, 2557036, 3196295, 6392590, 8310367, 12785180, 15981475, 16620734, 31962950, 33241468, 41551835, 63925900, 83103670, 166207340, 207759175, 415518350, 831036700]

約数ペア:

[(1, 831036700), (2, 415518350), (4, 207759175), (5, 166207340), (10, 83103670), (13, 63925900), (20, 41551835), (25, 33241468), (26, 31962950), (50, 16620734), (52, 15981475), (65, 12785180), (100, 8310367), (130, 6392590), (260, 3196295), (325, 2557036), (650, 1278518), (1300, 639259)]