81657250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{17191}}^1$

素因数の和:17227

約数の個数: 32

約数和(自身を含む): 160917120

約数和(自身を除く): 79259870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 17191, 34382, 85955, 171910, 326629, 429775, 653258, 859550, 1633145, 2148875, 3266290, 4297750, 8165725, 16331450, 40828625, 81657250]

約数ペア:

[(1, 81657250), (2, 40828625), (5, 16331450), (10, 8165725), (19, 4297750), (25, 3266290), (38, 2148875), (50, 1633145), (95, 859550), (125, 653258), (190, 429775), (250, 326629), (475, 171910), (950, 85955), (2375, 34382), (4750, 17191)]