4127920

素因数分解:

$2^4\times 5^1\times {\mathrm{51599}}^1$

素因数の和:51612

約数の個数: 20

約数和(自身を含む): 9597600

約数和(自身を除く): 5469680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51599, 103198, 206396, 257995, 412792, 515990, 825584, 1031980, 2063960, 4127920]

約数ペア:

[(1, 4127920), (2, 2063960), (4, 1031980), (5, 825584), (8, 515990), (10, 412792), (16, 257995), (20, 206396), (40, 103198), (80, 51599)]