111887920

素因数分解:

$2^4\times 5^1\times {\mathrm{1398599}}^1$

素因数の和:1398612

約数の個数: 20

約数和(自身を含む): 260139600

約数和(自身を除く): 148251680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1398599, 2797198, 5594396, 6992995, 11188792, 13985990, 22377584, 27971980, 55943960, 111887920]

約数ペア:

[(1, 111887920), (2, 55943960), (4, 27971980), (5, 22377584), (8, 13985990), (10, 11188792), (16, 6992995), (20, 5594396), (40, 2797198), (80, 1398599)]