87210097900

素因数分解:

$2^2\times 5^2\times {\mathrm{2791}}^1\times {\mathrm{312469}}^1$

素因数の和:315274

約数の個数: 36

約数和(自身を含む): 189314324080

約数和(自身を除く): 102104226180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2791, 5582, 11164, 13955, 27910, 55820, 69775, 139550, 279100, 312469, 624938, 1249876, 1562345, 3124690, 6249380, 7811725, 15623450, 31246900, 872100979, 1744201958, 3488403916, 4360504895, 8721009790, 17442019580, 21802524475, 43605048950, 87210097900]

約数ペア:

[(1, 87210097900), (2, 43605048950), (4, 21802524475), (5, 17442019580), (10, 8721009790), (20, 4360504895), (25, 3488403916), (50, 1744201958), (100, 872100979), (2791, 31246900), (5582, 15623450), (11164, 7811725), (13955, 6249380), (27910, 3124690), (55820, 1562345), (69775, 1249876), (139550, 624938), (279100, 312469)]