100996880

素因数分解:

$2^4\times 5^1\times {\mathrm{1262461}}^1$

素因数の和:1262474

約数の個数: 20

約数和(自身を含む): 234817932

約数和(自身を除く): 133821052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1262461, 2524922, 5049844, 6312305, 10099688, 12624610, 20199376, 25249220, 50498440, 100996880]

約数ペア:

[(1, 100996880), (2, 50498440), (4, 25249220), (5, 20199376), (8, 12624610), (10, 10099688), (16, 6312305), (20, 5049844), (40, 2524922), (80, 1262461)]