80503960

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1627}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 181391760

約数和(自身を除く): 100887800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 1627, 2474, 3254, 4948, 6185, 6508, 8135, 9896, 12370, 13016, 16270, 24740, 32540, 49480, 65080, 2012599, 4025198, 8050396, 10062995, 16100792, 20125990, 40251980, 80503960]

約数ペア:

[(1, 80503960), (2, 40251980), (4, 20125990), (5, 16100792), (8, 10062995), (10, 8050396), (20, 4025198), (40, 2012599), (1237, 65080), (1627, 49480), (2474, 32540), (3254, 24740), (4948, 16270), (6185, 13016), (6508, 12370), (8135, 9896)]