25911250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1132

約数の個数: 40

約数和(自身を含む): 51171120

約数和(自身を除く): 25259870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1091, 1250, 2182, 2375, 4750, 5455, 10910, 11875, 20729, 23750, 27275, 41458, 54550, 103645, 136375, 207290, 272750, 518225, 681875, 1036450, 1363750, 2591125, 5182250, 12955625, 25911250]

約数ペア:

[(1, 25911250), (2, 12955625), (5, 5182250), (10, 2591125), (19, 1363750), (25, 1036450), (38, 681875), (50, 518225), (95, 272750), (125, 207290), (190, 136375), (250, 103645), (475, 54550), (625, 41458), (950, 27275), (1091, 23750), (1250, 20729), (2182, 11875), (2375, 10910), (4750, 5455)]