124840400

素因数分解:

$2^4\times 5^2\times {\mathrm{312101}}^1$

素因数の和:312119

約数の個数: 30

約数和(自身を含む): 299930022

約数和(自身を除く): 175089622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 312101, 624202, 1248404, 1560505, 2496808, 3121010, 4993616, 6242020, 7802525, 12484040, 15605050, 24968080, 31210100, 62420200, 124840400]

約数ペア:

[(1, 124840400), (2, 62420200), (4, 31210100), (5, 24968080), (8, 15605050), (10, 12484040), (16, 7802525), (20, 6242020), (25, 4993616), (40, 3121010), (50, 2496808), (80, 1560505), (100, 1248404), (200, 624202), (400, 312101)]