1900111120

素因数分解:

$2^4\times 5^1\times {\mathrm{23751389}}^1$

素因数の和:23751402

約数の個数: 20

約数和(自身を含む): 4417758540

約数和(自身を除く): 2517647420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23751389, 47502778, 95005556, 118756945, 190011112, 237513890, 380022224, 475027780, 950055560, 1900111120]

約数ペア:

[(1, 1900111120), (2, 950055560), (4, 475027780), (5, 380022224), (8, 237513890), (10, 190011112), (16, 118756945), (20, 95005556), (40, 47502778), (80, 23751389)]