87499760

素因数分解:

$2^4\times 5^1\times {\mathrm{1093747}}^1$

素因数の和:1093760

約数の個数: 20

約数和(自身を含む): 203437128

約数和(自身を除く): 115937368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093747, 2187494, 4374988, 5468735, 8749976, 10937470, 17499952, 21874940, 43749880, 87499760]

約数ペア:

[(1, 87499760), (2, 43749880), (4, 21874940), (5, 17499952), (8, 10937470), (10, 8749976), (16, 5468735), (20, 4374988), (40, 2187494), (80, 1093747)]