200844520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56417}}^1$

素因数の和:56517

約数の個数: 32

約数和(自身を含む): 456985800

約数和(自身を除く): 256141280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56417, 112834, 225668, 282085, 451336, 564170, 1128340, 2256680, 5021113, 10042226, 20084452, 25105565, 40168904, 50211130, 100422260, 200844520]

約数ペア:

[(1, 200844520), (2, 100422260), (4, 50211130), (5, 40168904), (8, 25105565), (10, 20084452), (20, 10042226), (40, 5021113), (89, 2256680), (178, 1128340), (356, 564170), (445, 451336), (712, 282085), (890, 225668), (1780, 112834), (3560, 56417)]