200664680

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{5531}}^1$

素因数の和:6449

約数の個数: 32

約数和(自身を含む): 452075040

約数和(自身を除く): 251410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 5531, 7256, 9070, 11062, 18140, 22124, 27655, 36280, 44248, 55310, 110620, 221240, 5016617, 10033234, 20066468, 25083085, 40132936, 50166170, 100332340, 200664680]

約数ペア:

[(1, 200664680), (2, 100332340), (4, 50166170), (5, 40132936), (8, 25083085), (10, 20066468), (20, 10033234), (40, 5016617), (907, 221240), (1814, 110620), (3628, 55310), (4535, 44248), (5531, 36280), (7256, 27655), (9070, 22124), (11062, 18140)]