51645200

素因数分解:

$2^4\times 5^2\times {\mathrm{129113}}^1$

素因数の和:129131

約数の個数: 30

約数和(自身を含む): 124078554

約数和(自身を除く): 72433354

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129113, 258226, 516452, 645565, 1032904, 1291130, 2065808, 2582260, 3227825, 5164520, 6455650, 10329040, 12911300, 25822600, 51645200]

約数ペア:

[(1, 51645200), (2, 25822600), (4, 12911300), (5, 10329040), (8, 6455650), (10, 5164520), (16, 3227825), (20, 2582260), (25, 2065808), (40, 1291130), (50, 1032904), (80, 645565), (100, 516452), (200, 258226), (400, 129113)]